1) Presentation Video and Information

I. Video

 

II. Information

1. Product Information and Reflection

ㄱ1Hello, Welcome to my Draw my Interdisciplinary Life. This is going to be an explanation about my Interdisciplinary unit. First of all, let me explain the longer view of this project. So in IICS there are 3 sections from 1st grade to 12th. There is something called PYP, MYP and DP. For PYP, we ended that 2 years ago and we are currently livin the MYP life. In DP we have something called the personal project. The interdisciplinary unit is something similar to this.

I am doing this project because I wanted to and I worked very hard. So in this project we had to go through different stages of this unit. They are Research, Development, Construction and what I am doing now, presentation. These are stages that go through making a product that is made up of simple machines.

So in the research stage I thought a lot, I mean literally, a lot. I didn’t start the project until the last two weeks because my creative juices weren’t flowing. This was when I realized that all my other friends have thought of an idea and I was the only one who hasn’t thought of it. I thought and thought because I didn’t want to make a product which couldn’t benefit the world, I wanted to make a product that did have an impact on the society.

ㄱ2ㄱ3Near the two week mark is when it clicked. I realized that I had problem with the rain and I decided to make an Umbrella Spinner. An umbrella spinner is something that takes the water out of an umbrella after it is used so that it doesn’t leak. I know that a lot of people, including me, had a lot of problems with the water leaking from the umbrella that is used. That is why I chose this dandy product.

ㄱ4I had a lot of problems such as not buying the materials until the last minute, but at the end my product turned out all right.  As you can see in the video works very well even though it might not be the prettiest product, it works very well.

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Usually, the client is a professional person but for me my client is my sister. She gave a lot of useful feedback and I used it a lot to fix my product.

There are a lot of things that I can fix in my product. Such as I can file up the thing a bit and I can make the glue cleaner.

 

 

2. Scientific Principles and Historical Connections

a) Gear

ㄱ7ㄱ8In my product I have one simple machine which the gear. The gear is known as an evolved version of a lever. Gears are also similar to the wheel except it has something called teeth. Teeth work when two different gears interweave with each other to move. There are two different types of gears, which are the driver and the follower. The drive is the one that you are moving and the follower is the one that moves while you are turning the driver. There is also something called the gear ratio. The gear ratio is something to measure how many turns your gears have. For example it is measured (# of driven teeth) / (# of driving teeth). If you have 10 teeth in the driven gear and 5 teeth in the driving gear it means that every time you turn the driving gear twice, the driven gear turns once. There is also something called the RPM, which is an abbreviation for Revolution per minute.

ㄱ9It makes our lives easier by having a lot of machines such as transportation. Gears are used in bicycles and trains, which are one of the main transportations in this world. Another way that gears make our lives easier is doing the work for us. For example gears are used in mills. Mills are used to make power and gears make power by using natural sources such as water. Another way mills are used are that they crush food for the life stock instead of people.

ㄱ91Gears have been used a lot in history. For example it was used to power a lot of Greek inventions such as clocks in 3rd century BC. It is not clear who discovered gears but it is shown that gears where first mention by Hero of Alexandria in 50 AD. Gears were also used in Water wheels or Water mills. For people who don’t know what water wheels and mills are, they are machines that use water to make power to use.  It is known that after this time not a lot of development was made for gears until in the 17th – 19th century they made inventions using gears. For example, they made constant cutters using gears and the hobbing machine was made to make gears.

We can see that in history the gears have affected us a lot. But how about now? These days we use gears in transportation such as bicycles and gear trains. If we didn’t have bicycles we would not have a “Green” transportation and the environment would be greatly affected. Another way gears impact our modern society is that it helps us is the clock. The clock was first made from gears and if we didn’t have gears than we wouldn’t be able to keep our promises and always be late for meetings. These are just some of the reasons of how gears have affected modern humans.

 

b) Screw

ㄱ92The screw has two parts to it, which are the body and the thread. For people who don’t know what the thread is, it is the little incline plane that wraps around the screw. The measurement between the threads of the screw is called the pitch as the space between the teeth of a gear is called a pitch. If the space of the threads is smaller they hold better. However, you have to turn the screw more to make it go fully in.

Screws are used a lot to make our lives easier. They take the role as fasteners and they fasten different parts together to make one. For example if you are putting legs on a table it is better to use a screw than to use glue because a screw stays for a long period of time. Another way that screws are used is that you can carry water from one place to another. This has to do with the Archimedes screw.

ㄱ93There is a lot of history about the screw. It is said that the screw was invented in the 1st century. However, historians say that it is not clear who invented the screw and it just evolved from time to time. The first screws were made out of wood and they were used as pressing things such as clothes. One famous type of screw is the Archimedes screw. However it is not the familiar nut and bolt type of screw that we are dealing with. The Archimedes screw is an item that used the science of the threads of the screw to pull up water.

ㄱ94Screws have a lot of impacts in the modern times as well. These days’ screws are needed. For example, screws are used to keep us safe. Screws are used to fasten railways, doors, and a lot of different things that move. If we didn’t have the screw, people would have the trouble of sticking everything together with glue constantly. However, if we have the screw we won’t have this problem because it fastens it tightly so there is a less chance of it moving.

 

c) Pulleys

ㄱ95Pulleys is also another simple machine that helps on in our every day lives. Pulleys are made up of two different parts. One part is called the block, which is a disk shaped object that makes space for the rope to go through. The reasons why pulleys are used are because it makes the amount of force less for us to lift something up. A type of pulley called the fixed pulley is used to lift things up and is used to change direction of the force. A movable pulley lets you have a mechanical advantage and it is used to life something heavy that you wouldn’t be able to in real life.

Pulleys make our lives easier by lifting heavy things up. For example, if we want to lift a block of metal up in a construction site a person might not be able to haul a 100 kg block of metal up to the 30th floor. That is when people use pulleys to do the work because it reduces the force that it needed the raise the block of metal in this case.

ㄱ96It is known that Archimedes at Sicily first invented Pulleys in 250 BC. But it is possible that the Mesopotamia people used pulleys long before this in 1500 to haul up water. However, it is still unknown to who made the pulley. Pulleys are also said to be used by Egyptians to haul up stones to build the pyramid of Giza.

ㄱ97Ways that pulleys are used in the modern times are that it is used with motors to raise heavy loads and items usually in construction sites. Some examples of these pulleys are cranes. Cranes can be often found in construction sites. An Elevator is also a pulley used to move a lot of people up or down.

 

d) Inventor Philip Diehl

ㄱ98The inventor that I chose is Philip Diehl. I picked Philip Diehl first of all because he was one of the inventors that had a lot of ideas on him because he invented a serious of machines. He inspired me because he used things from his everyday life to make his inventions. In his case it was the sewing machine.

Some Biographical Information is that he was born in Dalsheim, Germany, January 29th 1847. He is originally German, but he moved to America when he was very young. He moved to New York and he worked in several machine companies until he got married in 1875 and worked on sewing machines in a plant named signer. He made a lot of different machines such as the Diehl Induction lamp, the bobbin driver, and the ceiling fan. Then he died on April 7th, 1913 when he was 66.

He had a lot of fails and successes and I have learned from them as well. For example, Diehl had failed in his invention of the induction lamp because of Thomas Edison’s lamp. Then he remembered that it wasn’t his subject that he was good at and made the ceiling fan using the part that he was good at which were sewing machines. I’ve learned a lot from him that creativity and inventions don’t pop out from nowhere, they come from your everyday life.

 

ㄱ993

The time period that he lived in was the gilded age. The gilded age was the time after the civil war, which was about from the 1870s to the 20th century. Mark Twain called this period the Gilded age because it looked fine on the outside but the government was very corrupt. However, this period in time was also the time when a lot of machines and inventions were made.

 

 

3. Process Reflection

ㄱ994Overall, I think my product is very well made and it works very well. At first I thought that the product wouldn’t work because I thought the cylinder would be too heavy and wouldn’t turn. However, I found out that it worked very well and I was happy. Other teachers and friends found it amusing as well.

My client said that the product was very good but the plastic could be filed up and the glue that it sticking the plastic inner cylinder together could be spread more so that it wouldn’t look messy. She said that the cost of the materials were too expensive and it doesn’t match the testing point of cost that she told me before I made my product.

I am not going to talk about all of the points of the Design Specifications because there are too much. I am going to talk about some of them. First of all, some points that I haven’t achieved are the cost. The cost for the materials was about 40 TL, which is far from my point when I said that the cost of the product would be 15- 20 TL. Another point that I haven’t achieved is the time scale and planning point. I said that it would take about 40 hours to make my product but it turned out that it took about 2 hours to make it. There are some points that I fulfilled as well such as the Aesthetic appearance. I noted that it had to be a shape of an upside down cup, be semi-transparent, and be smooth and hard. This meets the requirements of my product. Another point that it meets it’s the Health and safety. I took about 20 minutes to file my product so that it is less dangerous.

My product is useful because it is not a toy that just entertains people; it is a product that helps our everyday lives. This product takes out the water after the umbrella is used and is all wet. A lot of people have problems with water dripping from the umbrellas and my product fixes this problem.

           A lot can still be improved such as filing the product more so that it looks perfect. Another thing that can be improved is that I can make the wood rod out of a different material so that it wouldn’t get wet. Another way that my product can be improved is that I can make the product so that the umbrella is held.

 

ㄱ995Research: I have had both successes and weaknesses in the research phase. First of all, I am going to talk about the successes. For research stage, it was the first time for me to do this kind of project but I did my best to relate it to the MYP design cycle that we did last year. Also a success is that I had more interviews than last year. Last year I had one person who answered the questions but I had three people this year, my sister, my mom, and Sofie, so this was a big achievement for me. Another good thing that I did was that I handed in a copy for Mr. Thorburn to check and see if I did a good job while last year sometimes I missed this opportunity.

ㄱ996Now, some weaknesses are that I didn’t put the explanations of the materials that I was going to use. I have put the tools that I have to use but I forgot and didn’t add the materials. This was very foolish of me and I promised that if I do this project again I would add the materials. Another weakness that I had was that I didn’t know what quality assurance and control was and I got them confused. Next time that I do this I will define them correctly and make sure that I don’t have any errors.

Some feedback on how my actual project can be improved is that I could add more pictures because people don’t read a lot of words when they see a website, they see the pictures and if it interests them they keep on reading or look through the website. I need to be aware of this and continue to add more pictures in my project if I could improve it. Another thing that I can improve is that I can have more different types of clients. For example, I only had female clients and I might want to have male client’s opinion on my product as well.

A way that the general research section could be improved is that personally it would have been easier for me if the section was divided more strictly so we can see which part is for what subject and which criteria so we can ask the teachers questions for their different sections. It was hard for me to ask questions because my teachers would give me answers from their subject’s point of view. Other than that point I thought that the research section was well organized.

 

ㄱ995Development: A success that I had was that I made two different designs of the same objective. At first I was confused how to do this because my objective was very specific and I didn’t know if I could make another design. Thankfully I found a kitchen towel dispenser and an idea clicked. ‘What if I could make an umbrella spinner that is horizontal and can go on the wall?’ This is exactly what I did and I was proud of my self. Another success story is that I added the materials used in to Development. Previously I mentioned that it was sad that I didn’t add the materials, but guess what? We had a chance to add it in the development stage. I was happy and I added it right away.

ㄱ996Even though I did a good job, I had a lot of times in which I wanted to fix things. For example, I took pictures of my sketches, which resulted in low quality pictures. Next time that I draw sketches I promise that I will scan them so they are of better quality. The next thing I could have improved on was the client interviews. I realized that I only had four separate videos when it could have been better if I had more than four. Then it would have been more reliable.

Some feedback on how my general development can improve is again, have more pictures. This seems like not a lot, but it makes a huge difference if there are more pictures because it makes the document or website more visually appealing.

Some feedback on how development can be improved, as a project is that there should be particular lessons on how to make the client interviews more pleasing like on I movie or things like that so that people will like it better. Another way that development can be improved is that we have more design ideas so that we have more possibilities to choose from. This can be good because we have more plans if we fail one plan we can move on to another.

 

ㄱ995Construction: I would say that construction was the hardest stage in the interdisciplinary unit. This was a very hard unit because we had to build the product, do the process journal with more questions and do separate science and humanities research. This was perhaps that stage that I had the most panic attacks in. Some things that I did well in the construction stage are that I added a lot of pictures to the process journal. I added them wherever I could so that you don’t have to read to know what I am talking about. Another success is that I finished my product on time. This was a huge problem for me because I needed a cylinder that fit my gear exactly and I couldn’t find one. That is why I made one out of plastic. I bought this on the last minute but thankfully my product was not hard to make.

ㄱ996Even though I had some successes, I had some things that I could improve on as well. For example, I could have done more of the testing against specifications. I did about four but for me, I don’t think this was enough try. Next time I do this project I might want to add more testing against specifications so that my product could match my specification more. Another thing that I could improve is that I could add even more pictures. In some sections, I didn’t add pictures because I didn’t do any building in this section. This was partly because I didn’t buy my materials until some of the last weeks. Next time I will buy my materials in advance. Also I could make the quality of the product better buy filing the edges.

Some feedback on how my general Product Construction is that I might want my construction product more clean and dandy. I thought my product wasn’t neat enough. However, I realized that I liked it and other people like the way it worked. I was happy on how my product was built.

Some feedback on how Product Construction could be improved is that Maybe we could move around the rooms more freely so we could build in other class times. I realize that the dt room is packed but it would have been nice for us to change rooms if we want to because it is the whole point of the interdisciplinary unit. A thing that was good about this stage was that I could tell the different between the different subjects and it was very helpful for me when I was looking at the different criteria.

 

4. What you got out of this project

Overall, I’ve got a lot out of this project. So I’m not going to say something cheesy like this product changed my life or simple machines is my hero, I’m going to speak about things that I actually got out of this project.

The first thing that I learned was that oh, boy, time management. It’s not that I did it well but I did everything the last minute that I learned that I need to do work earlier from now on. I don’t know what happened to me. When I was little, I used to do homework right when I got home and play after that. I guess it’s because of social networks… I always tell myself to manage my time and do better but… it doesn’t always turn out well. I always say things like this in my head, ‘oh, I’ll just do 10 more minutes of this social networking site and then I’ll finish my project’. This would be good but it goes on for weeks and weeks until I finished everything in the last minute. This was especially true for the interdisciplinary unit and I was rushed and panicked. I learned that I need to finish work gradually.

The second thing that I learned out of this project is that now I have the urge to invent things and I don’t even know why. Personally, before this project, I didn’t really like building machines. It wasn’t my ‘thing’. But know that I made an Umbrella Spinner which is a brilliant invention I thought that maybe I can make more inventions like that. I think this was a project that got my creative juices flowing.

Well that’s the end of my extreme-ultra-super long video… Hope you enjoyed it. Bye!

2) Presentation Works Cited

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1) Simple machines historical Investigation

  1. Brief introduction of the six simple machines

Simple machines are things that we can’t live without. What are simple machines? Well, to be specific they are tools that make our “work” easier. Now, this is not any kind of work but a special type of work. For example, a student might think that doing homework is work. They might say, “Phew we had to do so much work today.” But scientifically, is this actually “work”? Work is defined as when you move an object using force for a certain distance. Work is measured in Joules and it can be calculated by using a formula which is Distance (m) x Force (Newtons). But now that we have found out about work, let’s talk about the different simple machines that are used to make this “work” easier.

 

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First, let us talk about the inclined plane. The inclined plane looks like the following picture.

It is a slanted plane that is used to drag things up from it. The basics of the inclined plane are that if we say that the plane is steep it means that the slope is steep as well and vise versa. The slope is measured by Rise over run (rise/run), which is basically dividing the height and the width of the triangle. The angle of incline is also noted in the picture with an oval shape with a line in the middle. This in scientific terms is called theta, which is the name for an unknown angle. The rule for the inclined plane is if theta gets bigger the slope becomes steeper and if theta gets smaller the opposite happens.

 

There are a lot of ways that the inclined plane is used in our everyday life. For example, the slanted floor next to the stairs for people with wheel chairs are incline planes. If the citizens with wheel chairs would go down the stairs, it would make a hard time for them. That is why people made an inclined plane so that they can go down them smoothly. Another example of an inclined plane is found when you move in to another house. The huge trucks use inclined planes to take in or out the items inside the truck so that they do not have to life them one by one.

 

 

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The second simple machine that I am going to introduce is the Lever. The lever is used to lift somethingmore easier using work. A lever has three parts to it. First there is a Fulcrum,which is the support and where the lever moves. The effort force is the second, which is measured in newtons. Lastly there is something called the resistance force which is the object in which you are trying to lift. There are some specific names for the distances as well. The name from the item to the fulcrum is the resistance arm and from the effort force to the fulcrum is called the effort arm.

 

In the world of levers, there are three types, the first class, the second class, and the third class lever. The first class lever is the typical lever that we see everyday, for example, a seesaw. This means the there is force and an item on either side of the fulcrum. Some examples of class one levers are scissors and pliers. The second-class lever is when the effort and the item are on one side of the fulcrum but the effort force is more on the outside. Some examples of this are the wheelbarrow, which gains force. The third class lever is the opposite of the second-class lever so the item is more on the outside and they lose force, but the speed and distance are increasing. A good example of this is the tweezer. To sum it up levers are used to move items easier and this can be decided on which element you want easier, force or distance and speed.

 

yyThe third simple machine that I am going to introduce is the wedge. Simply the wedge is a type of inclined plane but with more force. The wedge is used to cut, break, or keep things in place. But the pull back for the wedge is that you either need to put more force or the wedge needs to be bigger for there to be a bigger cut.

 

We can see a lot of wedges used today such as an axe. An axe is a sharp wedge. One can see that it is a wedge by looking at the way people use axes to cut through wood. However, The machine part of this is that there needs to be force implied. Another example of a wedge that we can see in our lives is a door holder. Sometimes doors move all about and we want to keep it still. This is when we use door wedges so that the door doesn’t move.

 

yyyThe fourth simple machine is the wheel and axle. To make this simple machine work you need the wheel and axle together. The smaller wheel should be in the middle of the bigger one. The thing about the wheel and axel is that as one of them moves, the big one controls the smaller one. This way you can use less force to move two different objects. A developed version of the wheel and axle is the gear. The gear is the same as the wheel except there are teeth on it.

 

We can see the wheel and axle in different parts of our lives. We can see them in cars and roller blades. One can see that the similarity between these two is that they are both items that move by the wheel.

 

yyyyThe fifth simple machine is the Pulley. The pulley is similar and has evolved from the wheel and axle. A pulley helps people move things a certain distance up. There are three kinds of pulleys. First of all, there is the simple pulley that is the basics of all pulleys. This changes only the route of the power but nothing else. Second there is the movable pulley that gains force. Lastly there is the compound pulley that is the mix of the two.

There are a lot of ways that pulleys can be used. For example a flagpole is an item that uses the pulley. As you full the string, the flag that is attached goes up. Another example is a blind that works the same way as the flagpole.

 

yyyyyThe last simple machine is the screw. The screw has different parts are there are two major parts. The whole screw is called the body and the spiral part is called the thread. One can see that the nail is very similar to a spiral staircase because it keeps on going down while wrapping the nail. You can use the screw to drill things together or to keep things so that they don’t move.

 

Some specific examples where screws are used are that they are used to keep items together. For example, you can stick together a table with screws so that you don’t have to use glue or tape that can break easily.

 

This is a video to sum up the simple machines:

 

  1. Choose one of the simple machines; complete an historic investigation of the machine

In the world today, we can see a lot of the six simple machines being used, but how about in history? I am going to talk about one simple machine that we can’t live without. It is the Inclined Plane.

yyyyyyyyyyyyyyLet us start with the beginning of inclined planes. A person named Archimedes in the 2nd century BC first discovered the inclined plane. Archimedes is a Mathematician and Scientist from Greece. Archimedes has discovered a lot of things such as one of the simple machines, the screw. However this screw wasn’t the screw that we know of today, it was a screw that was used to transport water. He is also immensely famous for his math. For example, he discovered Pi and he also discovered the triangle. It is no surprise that the incline plane is not one of his major discoveries. It is shown that Archimedes had planted the seed for the discovery for the incline plane and another mathematician carried it on. His name is Hero of Alexandria. Hero of Alexandria was also a mathematician like Archimedes but he was more of a Geometer. If Archimedes was the one that planted the seed it was Heron who actually watered it and developed it. It is said that Heron developed it in 1 ce. He also was from Alexandria, Egypt. This explains some of the reasons the Egyptians have used the incline plane. But in this time it is shown that a lot of scientists didn’t find that the inclined plane was a simple machine because it could be found in the natural environment and it was not something that was specifically made like the pulley.

yyyyyyyyyyyyyyyyyyyAs I mentioned the Egyptians have used the inclined plane. As one will think, the first things that people think of when they think of Egyptian history are pyramids. A lot of historians have wondered how people from such a long time ago have built the pyramid made up of 80-ton blocks with no technology like we have now. Most of the historians have turned to simple machines as their answer. Like seen above, historians predict that when the Egyptians built the pyramid they needed different planes with different slopes to build their pyramid. When they are building the bottom parts one can clearly see that they would need an incline plane with the softer slope. As you can see in the picture, as the pyramid gets higher, the slope of the incline plane becomes steeper so that they can reach to the top. The picture below is another example of how historians predict that the Egyptians built the pyramid. One can predict that the Egyptians might have used a much more long inclined plane for the higher parts if they had used the example below.

 

Not only have the Egyptians used the inclined plane to use build and create the Stonehenge. The Syyyyyyyyyyytonehenge is located in England. The Stonehenge is still a mystery today and archeologists wonder about how people from 2000BC- 3000BC have built this with absolute no technology at all. Again, they have turned to the conclusion of simple machines and one of them being the incline plane. In the book by James Easton called Conjectures on the Mysterious Monument of Ancient Art, Stonehenge, on Salisbury Plain, He mentions that the people who built the Stonehenge must have used the earth has an incline plane to roll up the stone pieces to build it. With the two examples of the Pyramid and the Stonehenge we can tell that the incline plane helped people a long time right up until now.

 

yyyyyyyyyyyyAlthough the incline plane have helped us a lot throughout history, scientists and mathematicians had a lot of thoughts on whether the incline plane should be on the list with the five other simple machines. One reason why they disagreed with the incline plane being a simple machine was because one can find it easily in the natural environment such as the mountain or the hill. A man named Jordanus de Nemore wrote the first right definition and inquiry of the incline plane in the renaissance. However, no one at that time believed him. But after near the end of the sixteenth century, Galileo Galilee posted the correct solutions. Now that people had acknowledged incline planes they started using it more. We can see this by the use of canals. For people who don’t know what canals are they are basically roads on water for the boats. Incline planes were used to raise boats. In the renaissance times this was used in the Wagon of Zafosina, which is near Venice. It was not until the Industrial Revolution that the inclined plane was widely used for the canal.

 

In the Industrial Revolution, a lot of canals were built and one of the famous ones is the Ketley Canal which was built in 1788. This was the first inclined plane built in Britain. However this was not the first try. They have tried once on the Dulart’s Canal but it had not worked. “Our Inclined Plane answers my most sanguine expectations… we have already let down more than forty boats per day each carrying 8 tons- in average about thirty boats daily and have not yet had an accident.” This is an excerpt from a letter from William Reynolds to James Watt, a fellow engineer. One can clearly see from before, the usage of the inclined plane has changed.

yyyyyyyyyyyyyIf we look around, we are bound to find an inclined plane and for international students like us, we ride the airplane a lot and one everyday inclined plane in an airplane is an evacuation slide. Before I talk about the specifics I find it important that people know the exact definition of the evacuation slide. An evacuation slide is an inflatable slide that is used so that passengers can fee the aircraft in case of an emergency. The evacuation slide was first invented by Air cruisers that is a company by James Boyle. Before there were inflatable evacuation slides they used to have ones that were made out of a canvas material. A lot of aircrafts stopped using it when they realized that the crew had a hard time setting it up and they figured out it would be dangerous for the passengers if it took a long time. Because there were too many accidents, in 1965 a pioneer named Jack Grant made the first inflatable slide. Although some aircrafts use the canvas slides, about 65% use the inflatable slides.

 

Now that we have discussed about how the inclined plane has benefited us, but what would happen if we didn’t have inclined planes? What would change in our lives? Some might think that this would not be a big deal but without inclined planes we might not have all of the items and buildings. Some things that we might not have because of inclined plane are some famous monuments. For example, as mentioned before, the archeologists predict that the pyramid and the Stonehenge were built using inclined planes. One might think, “What importance do these monuments have? Aren’t they buildings that were built?” But this is not the right way of thinking. Pyramids and the Stonehenge are used to depict the history of the country, for the Pyramids, it is Egypt and for the Stonehenge, it is England. Using these monuments we can find out a lot of things from the past. For example, from the pyramids, we can find out that the citizens of Egypt found the kings superior and they showed their loyalty by burying them in a big monument. For the Stonehenge it was found out that it was used for a burial site. The archeologists therefore predict that even at 2000BC to 3000BC, they buried their ancestors. Like this if we didn’t have inclined planes, they would not have built the pyramid or the Stonehenge. Therefore, we might have not known the history as much as now. Also it’s not just the pyramid and the Stonehenge, there are other monuments that are made out of inclined planes. Because we have these things we can know more about the history although it was a long time ago.

 

yyyyyyyyyyyyyyInclined planes have affected the world positively as mentioned before. However, there are not only positive ways that inclined planes have affected us. There are not a lot of manmade negative effects but there are some natural inclined planes that affect us. For example, there are landslides. Before we go in to depth, let us find out what landslides are. Landslides are a type of natural disaster when rocks mud go down a hill or a mountain. There are a lot of incidents when Landslides affected humans negatively. Usually earthquakes cause landslides. An example of a landslide that happened is a landslide in Uganda. In 2012 there was a major landslide that happened. It is shown that there might be over 70 people waiting to be rescued inside the mud. Also eighteen people were reported to be dead. Like this, landslides can create a very deadly situation.

This is a news of one landslide that happened in Washington:

From this, we can tell that inclined planes are dangerous. She mentions in the video that thankfully no one was hurt but it damaged a lot of land.

Overall, we can see that the inclined planes have a lot of history and they are very important in our life.

2) Science Investigation

Scientific Application:  

1. OBJECTIVES

1a.  Define “work.”

There are a lot of definitions for “Work”. However, the work that we are talking about now means when you move something a certain distance applying force.

 

1b.  Describe the units of measure for work.

The unit of measurement that is used to measure work is joules. However, when you write it in a form of an equation, you can write J to abbreviate it.

 

1c.  Use force and distance measurements to calculate work.

            As I mentioned before, work’s definition is when you move an item a certain distance applying force. That is why there is an equation to measure all of this, which is:

D (Distance in meters) x F (Newtons)= J (Joules)

 

2. INTRODUCTION

 

To most people, work is the physical or mental effort it takes to get something done.  If you ask a scientist, work takes a little more time to explain.  In this lesson, you will learn and use scientific definition of work and learn how to calculate work.

 You will make a number of measurements to use in calculating work.  Calculating is important in science.  This lesson will require you to use your math skills.  Good science combines facts and figures.  Mathematics is a great tool of science because it helps to describe how things behave and it helps scientists predict how some objects or processes will behave in the future.  Italian astronomer Galileo and English physicist and mathematician Sir Isaac Newton were among the first to realize the combined power of math and science.

In this lesson you will learn how forces do work and how to calculate the work done by forces.

 

3.  THE MEANING OF WORK

 

3a.  Discuss the meaning of the word work with your classmates, AND list examples of work being done.

 

We all found out in the previous section that work was when an item is moved a certain distance whilst applying force to it. We decided that some examples of work being done are:

–       Pulling a Sled up a hill for 5m

–       Pushing a barrel up an inclined plane that is 1 m long

–       Pushing a box for 3 meters

–       Pulling a Broken car up a hill that is 100m

 

3c.  After reading, review your examples of work and determine of they match the scientific meaning of work.

–       Pulling a Sled up a hill for 5m: This matches the scientific definition of work because you are pulling a sled for a certain distance using force.

–       Pushing a barrel up an inclined plane that is 1 m long: This is right because a barrel requires force to push and you are moving it for 1 m

–       Pushing a box for 3 meters: This is work because even though it is not going up a incline like the others, but it is moving a certain distance with force applied.

–       Pulling a Broken car up a hill that is 100m: The item that is moving is different because it has wheels but this is still work because it is moving a distance with force.

3d.  Write how to calculate a value for work and explain the units of measure for work.

As we found out in the previous questions work is calculated by first finding out the effort distance and the effort force. You calculate the value for work by putting your numbers in this equation:

D (Distance in meters) x F (Newtons)= J (Joules)

As you can see there is something called J which is an abbreviation for Joules. Joules is the term to measure work.

 

3e.  Work out this problem below, AND be sure to show your work.

 Q: Alice pulls a sled with a force of 12 N.  She pulls the sled through a distance of 5m.  How much work does Alice do on the sled?

A: 12N x 5m= 60 J

 

4.  HOMEWORK

4a.  What force are you working against when you lift a back pack?

The force that you are working against when you lift a backpack is called gravity. Gravity is something that humans cannot live without. Gravity is the force from the center of the earth that pulls everything to the ground. That is why when you drop something it doesn’t float in the air and it falls down. It’s the same for this situation. Gravity is pulling your backpack down and you are trying to work against it.

 4b.  In which of the following cases is work, as defined by scientists, being done?

i.  Someone tries to move a piano, but the piano won’t move.

            ii.  A truck is pulling a car slowly along a street.

iii.  A student is studying for a mathematics exam.

            iv.  A student is pushing a grocery cart around a store.

v.  Another student is standing in line at the grocery store holding a 12-N bag of potatoes.

vi.  A student pushes against the school building.

 

4c.  If you lift a bag that weighs 15 N a distance of 2 m, how much work have you done?

15N x 2m= 30J; 30 Joules

 

4d.  If a cement block that weighs 50 N must be raised to a height of 5 m, how much work must be done on the block?

50N x 5m= 250J; 250 Joules

 

5.  Summary Video

Khan Academy, Introduction to Work and Energy

 

6.  BIBLIOGRAPHY

Energy, Machines, and Motion. Burlington, NC: Carolina Biological Supply, 2006. Print.

 

1.  OBJECTIVES 

1a. Learn how an inclined plane works.

1b. Compare the work done in pulling an object up an incline with the work done in lifting the object straight up in the air.

Question 1a and 1b can be answered in the link below:

http://halimk.iics-k12.com/category/2-science-investigation/

 

2. Purpose

 Research Question: How does the angle of incline affect the amount of work?

 

What We Will Find Out: In this experiment we will measure the angle of incline and see how the amount of work in joules changes according to it. We will do this by pulling an item according to that angle with a spring scale to check this.

 

Hypothesis and explanation: If the angle of incline increases then the amount of work will stay the same because instead of the slope increasing, the effort distance will decrease. This cancels out any increases or decreases.

 

3. Variables

 

Independent variable: The angle of incline

 

Dependent Variable: amount of work (joules)

 

Controlled Variables:

– The item that is used.

– The inclined plane that is used.

– The vertical height.

– The system that is used to measure the rise run (cm).

– The system used to measure effort distance (m)

 

4. Method

Materials:

14 

– Inclined plane

– Spring scale (newtons)

– Filled water bottle

– 5 Books

– Meter stick

-Post it

 

Instructions:

1. Before you start the experiment, you should first make the table you will record the results in. First create 7 horizontal cells and 7 vertical cells. Now fill the first row with Trials, Rise, run, slope, effort Distance (m), Force (newtons), and Work (joules) respectively.

2. Now on the column of the trials name each of them 1st trial, 2nd trial… all the way to 6th trial.

3. Get out the materials (Inclined plane, spring scale, filled water bottle, books, post it, and meter stick)

4. First set the five books on top of each other and mark the point when the rise is 20cm.

5. Attach the spring scale with the water bottle and pull upwards so that the bottom of the water bottle reaches the 20cm mark.

6. Record the Rise (cm), run (cm), effort distance, and the force (newtons).

7. Now put the inclined plane on the books and make the slope gentle. When placing the inclined plane, remember that this is going to be your most gentle slope.

8. Mark the part of the inclined plane where the 20cm of the rise meets up with a post it.

9. Attach the spring scale with the water bottle and pull it up the inclined plane steadily until the point where the post it is.

10. Record the Rise (cm), run (cm), effort distance, and the force (newtons).

11. Make the inclined plane steeper than before but not quite because it is your second gentlest slope.

12. Mark the part of the inclined plane where the 20cm of the rise meets up with a post it.

13. Attach the spring scale with the water bottle and pull it up the inclined plane steadily until the point where the post it is.

14. Record the Rise (cm), run (cm), effort distance, and the force (newtons).

15. Move the inclined plane slightly up then it was before. (This is the third gentlest slope)

16. Mark the part of the inclined plane where the 20cm of the rise meets up with a post it.

17. Attach the spring scale with the water bottle and pull it up the inclined plane steadily until the point where the post it is.

18. Record the Rise (cm), run (cm), effort distance, and the force (newtons).

19. Move the inclined plane up a little more so that there is room for one more experiment after.

20. Mark the part of the inclined plane where the 20cm of the rise meets up with a post it.

21. Attach the spring scale with the water bottle and pull it up the inclined plane steadily until the point where the post it is.

22. Record the Rise (cm), run (cm), effort distance, and the force (newtons).

23. Move the inclined plane up more; this is going to be the second steepest slope after the one pulling straight up.

24. Mark the part of the inclined plane where the 20cm of the rise meets up with a post it.

25. Attach the spring scale with the water bottle and pull it up the inclined plane steadily until the point where the post it is.

26. Record the Rise (cm), run (cm), effort distance, and the force (newtons).

27. Now that the experiment is finished calculate the Slope and record it on the table.

28. Now that the slope is calculated let us calculate the Work (joules) by using the equation: D (m) X F (Newtons)= Work (joules); record the data.

29. Now that the table is finished, we have to make the graph. Open excel and post in the first column the data for the slope and in the other the data for the work (joules). Highlight it all and click on “Charts”-“Scatter”. Now that the scatter plot is formed, we have to make the line of best fit that can be made by going in to “Charts”-“Chart Layout”- “Trend line”- “Linear trend line”. For an addition I decided to make an equation to go with the trend line. To make an equation, go to “Trend line”-“Trend line options”-“Display equation on chart”.

 

Photos of experiment:

 

Data Collection and Data Processing:

a) Table

 

Trials

Rise (cm)

Run (cm)

Slope

Effort Distance

(m)

Force (newtons)

Work (joules)

1st

20

0

Undefined

0.2

6

1.20

2nd

20

72

0.28

0.73

3

2.19

3rd

20

62

0.32

0.64

3.5

2.24

4th

20

52

0.38

0.54

3.5

1.89

5th

20

45

0.44

0.47

4

1.88

6th

20

42

0.48

0.46

4

1.84

b) Graph

 ggggg

***Note that one point could not be plotted on the graph because the slope was undefined.

 

c) Analysis and Explanation of graph and table

First of all, in the table, you can see a lot of quantitative data. One can say that the data is very well organized and they are easy to look at to find patterns between the numbers. For example we can see in the rise (cm) column, the rise always stays the same that can’t be seen in the graph. One can identify from the data that the slope is decreasing gradually because it decreases about 10-30 joules each time. However, it is not very clear in the table and it takes a while for people to identify the right variables from the pile of information. One thing how the table is better is the point that you can see the undefined slope’s data but in the graph you cannot.

In the graph we can see in estimate on where the work (joules) and slopes are and it is not as clear as in the table. However, the pattern is clearer in the graph than the table. The line of best fit shows this pattern. The line of best fit is a line that draws a rough linear relationship between the scattered points. One can see in the graph that the linear relationship between the points is decreasing every time the slope increases (increase of steepness). For an extra, I put the equation of the line that is also a helper in to finding the pattern to the data. The equation of the line is: y= -2.0809x+2.7987. From this equation -2.0809x is the slope and in math when the slope is a negative number the line is a declining line. Therefore from there we can also see the pattern of the data is declining.

 

Overall, from the table and the graph we can find out that in this experiment, that the relationship between slope and work (J) is that as the slope increases work decreases.

Evaluation and Conclusion

Hypothesis Validity:

 

In my hypothesis I stated:

 

If the angle of incline increases then the amount of work will stay the same because instead of the slope increasing, the effort distance will decrease. This cancels out any increases or decreases.

 

To sum my hypothesis up I wrote that there wouldn’t be any differences to the data, no increases or decreases. However, my data shows that there was a decrease and this is not the same as what I stated in my hypothesis. At first I wondered if my hypothesis was right or if my experiment was right. We had a discussion in class and I found out that my hypothesis was right. There fore there are some parts that I can improve in my experiment and they are listed bellow.

 

 

Reliability:

 

In my experiment, I think reliability is a point that it can improve on. Reliability is a point that talks about if the measurement that I did was correct and if they are proven right from several trials. When I measured the force with my spring scale, when the data was somewhat in the middle, I would round it up. For example in the 5th trial I rounded up the somewhat 4.5 Newtons to 5 Newtons. Because I did things like this often, they added up and made a difference to my experiment. Another reason my reliability could have been better is because I didn’t measure it multiple times. Because I was in a hurry, I only measured the force the effort distance etc. Once and didn’t think of measuring it more than one time to check if I was using the spring scales right. Again, this might have affected my experiment because I might have had some errors when I was calculating the force. However, a ting that I did good in reliability that I double-checked if the slope was right. For example, when one tries to calculate the slope they have to do rise over run. Even if a calculator does this, this might go wrong because I might have typed a wrong number. When I am dealing with numbers I checked again and again to see if I was right and all of the times they were right.

 

Improvements (Reliability):

 

Because Reliability is a point that I have to improve on, there are a lot of things that I have to list. First of all, I mentioned in the previous paragraph that I would round up the numbers and not do the precise number. I mentioned specifically about the force measuring and the spring scale. I said that the force was often near the middle. What I can do to fix this is a) find a spring scale that has more lines on it so I can know better how much force there are or b) Try this multiple times so that I can find out how many times it stays on which number so even though it is rounding up or down, it is more precise. I could also add more columns to write trial 1 3 times so there can be more precise data and an average.

 

Validity:

 

Even though the reliability of my experiment has a lot of areas where it can be improved, in the point of validity, I did a very thorough job of one of the hardest control variables that is the vertical height. I decided that the vertical height should always be 20cm. Before I started each experiment I measured the vertical height multiple times to mark the inclined plane. If the vertical height would be wrong, then the other data will fall apart because it will affect the slope since it is the rise as well. Another way that my Validity is good is because once I got confused with what unit to use that are my control variables. At first I used cm for everything then I realized that the answers were a little too high. I asked Ms. MacFarlane and she told me to measure in meters. That way I kept to my control variable so that it will not affect my independent or dependent variable.

 

Improvements (Validity):

 

Even though I mentioned some good things about validity, there are still a lot of things that can be improved in my experiment in the aspect of validity. For example, one of my control variables was the water bottle. However, to make the water bottle work with the spring scales, I had to put water in it. If I had done this experiment two separate times, the amount of water I put in the water bottle might have affected the results to the second set of tests which might hide the results. I think a good solution for this can be that I use an item that the weight cannot be easily changed.

 

Further inquiry:

 

There are a lot of things that I would do to change or expand this experiment. One thing that I would change in my experiment to make it more interesting is to add more math to this experiment. Instead of the independent variable being slope, we should make this so that it is actually the angle of incline. We can do this by using trigonometry. Another way that I would change this experiment is that I would do one that we can change the rise and not keep it the same all the time. A way I would expand this experiment is doing more trials. I have done 6 trials and I do not believe that to be a good amount to decide anything from. Doing more trials will give us a more precise and accurate data. A good way to expand this experiment is to combine the data of the whole class and make a graph and table out of that. Again, this would be a great opportunity for students to find out the precise data. One last way that I thought of to expand this experiment is to find out if items with wheels use less work than ones without wheels.

Comparing Graphs:

 

a) My Graph and Table

Trials

Rise (cm)

Run (cm)

Slope

Effort Distance

(m)

Force (newtons)

Work (joules)

1st

20

0

Undefined

0.2

6

1.20

2nd

20

72

0.28

0.73

3

2.19

3rd

20

62

0.32

0.64

3.5

2.24

4th

20

52

0.38

0.54

3.5

1.89

5th

20

45

0.44

0.47

4

1.88

6th

20

42

0.48

0.46

4

1.84

ggggg

b) Sample Graph and Table

Slope Work

0.14

0.61

0.21

0.64

0.27

0.59

0.34

0.53

0.41

0.57

bbbbb

In the Inclined Plane sample data one can see that the result is similar to how I stated in my hypothesis. I stated that there will be no increase or decrease and the work will be constant. One can see that work is always in the range of 0.5-0.6, which is in a very similar range. The results that I found in my graph is that the work decreases as the slope of the ramp increases. One can see this by the trend line and how the equation’s slope is a negative. One of the main reasons the height of where the dots are are different is because my data is a raise 0f 0.2m whilst the sample graph is 0.1.

 

I think the two data’s are different because my data had a lot of disruptions in the middle. For example, as mentioned before, when I was experimenting and recording the results, I rounded a lot of numbers up so that it would be easier for me to record and calculate. However, the results found out in the sample graph match my hypothesis and therefore I can state that my hypothesis is right.

 

3.  Questions

 

3a.  On the basis of the results of these inquiries, how would you define a machine?

I would define a machine as something that makes work easier for humans because as I realised when I was experimenting I think that simple machines were not just made out of nowhere. It was found or created so that humans could interact with them a benefit from them.

3b.  In your view, is an inclined plane a machine?

In my view I think that an inclined plane is not a machine firstly because it can be found in the environment and second because it doesn’t make work easier for humans. It can be found in the environment in forms of different things such as mountains and hills. I found out that it doesn’t make work easier for humans and the work amount stays the same because as the slope increases the effort distance decreases and vise versa so they each get cancelled out.

 3c.  Why are ramps for people with physical disabilities long and gently sloping, rather than short and steep?

If the Ramps were too steep the speed of the wheel chair going down will increase which will create a higher possibility of their being an injury.

4.  BIBLIOGRAPHY

Energy, Machines, and Motion. Burlington, NC: Carolina Biological Supply, 2006. Print.

3) Process Journal

October 22 2013 Day D

Work Completed Today

Design Technology:Today I worked on step 1 of my plan, which is creating a scale model. When I was creating the scale model I already had the measurements done so I made another scale model with the plans that I had for it so on the side of the paper it says PLAN 1) Find perfect fit 2) Find one with holes 3) Stick strips of plastic to make shape. These were my 3 plans to do. They were basically my plan A, B, and C.

People consulted

The people consulted today were my mom because I asked her when I should get the materials. She said that she would find stores where they would sell materials and that she would take me with her to look at them.

Photos showing use of tools used to create the product

I did not use any tools to build my product so I am going to Post a picture of my “scale model because this is what I did in class:b1

Challenges Difficulties Faced

I have always feared the construction stage because my product is very complex so I was not sure that I could succeed in building it. The one difficulty, which I am very worried about, is the materials. I have to find a perfect cylinder that fits the mechanism that is very hard to find. I cannot post a picture of this difficulty because there is nothing to take a picture of.

Evaluation of progress

I am falling behind even on the first day of my construction phase. I was looking forward to this but my lack of materials is Pulling me down. I think I should work harder when I get my materials so I will not fall behind or rather so I can catch up with my peers.

 

 

October 23rd 2013 Day E

Work Completed Today

Design Technology:Since I didn’t get my materials yet, I have been working on developing my website. I thought that my menu looked messy so I decided to add more subcategories and make it look neater and more presentable. This took a long time because wordpress’s server is week these days.This is a picture of the process:b2

People consulted

I have consulted my client today about how they want my website to be. My client stated that my website was very catchy and she liked it very much. She like the way that I organized my menus.

Photos showing use of tools used to create the product

I did not start building my product so the only tool that I used to construct the construction phase was Microsoft word and my computer.

Challenges Difficulties Faced

Some difficulties faced were that the website was very slow and it took a long time to load the dashboard. It was very frustrating and I tried to do my best but it took a whole period to do this.Picture of my dashboard:b4

Evaluation of progress

I have noticed that my peers have started working on their building already and I haven’t started. Like mentioned in the previous entry I must catch up and by my materials in the weekend or sometime in the near future.

 

October 25th 2013 Day G

Work Completed Today

Design Technology: Since I didn’t get my Materials yet, I worked on the humanities part of the project. In science because we learned about inclined planes I knew about that machine but I didn’t know how the others worked as well. That is why I thought that I have to research more first.Picture of the progress:b5

People consulted

The people I have consulted is my mother. Because I haven’t got my materials yet, I asked her when I could get it, she said that she looked around the shops but it wasn’t easy to find a fitting one and she thought that we had to make a matching one out of some plastic, and I agreed.

Photos showing use of tools used to create the product

I didn’t have my materials so I worked on some science, so the tools and materials that I used to create the product are my mac book and Microsoft Word.

Challenges Difficulties Faced

As mentioned before, some challenges or difficulties faced were that I didn’t know about the other machines and I only knew about the inclined plane. But I overcame that difficulty by researching about it and getting to build my knowledge. I don’t have any picture for this difficulty because it was all in my head.

Evaluation of progress

I think that in the Design Technology way I am falling behind because I haven’t even built my product yet and the others are making their shapes already. But in the document way, I don’t think I am falling behind.

 

October 31st 2013 Day B

Work Completed Today

Design Technology:I have bought my materials but since it is a short day, I decided to not bring my materials and work on further developing my document. I worked on humanities this time because humanities had a lot of work on it. This time I worked on the historical Investigation.Picture of progress:b7

People consulted

Some people consulted was my client. I was worried that my client was mad because I hadn’t started building my product. She said don’t worry because I still have enough time and since my product was very simple.

Photos showing use of tools used to create the product

The tools that I used for this part of the project was Microsoft word.

Challenges Difficulties Faced

Some challenges or a difficulty faced was that I tried to site a PowerPoint that I had used before and I didn’t know how to do it. I overcame this difficulty by finding out online how to site a PowerPoint. There are no exact pictures for this difficulty.

Evaluation of progress

As mentioned in the previous process journal I am doing well in the document but I must start building next period so that I can catch up with the others.

 

November 4th 2013 Day D

Work Completed Today

Since today was a double period, I worked on building my project. The materials that I had were these:b9Since I thought my plan didn’t make sense, I changed the orders so it could be easier for me. Today all I did was cut the high-density foam board in to a circle drill holes in them and drill a hole in the plastic cylinder.

People consulted

Some people consulted were my peers next to me. I asked them constantly if my high-density foam board looked like a circle and they replied.

Photos showing use of tools used to create the product

Some tools that I used to create this product are the craft knife.

Challenges Difficulties Faced

Some challenges faced were that Mr. Thorburn said that he didn’t have a tool that could cut a hole in to my plastic cylinder. He said he would drill holes on either side and try to make it. I solved this problem by it working and filing the edges to make it smooth.

Evaluation of progress

Overall, I think I am doing find and I am trying my best to catch up. But I am still not at the place that I want to be so I am working hard.

 

November 7th 2013 Day G

 

Work Completed Today

Today, I worked on cutting the dowels and putting the gears on and sticking the gear on to the dowel using a glue gun. I also made the 2nd plastic cylinder.Picture of progress:b11b12

People consulted

Some people consulted was my mother. I took my half finished product home and she said that it was good but she said to file the hole of the outside cylinder more.

Photos showing use of tools used to create the product

I have used the glue gun but it was very hot and dangerous that I didn’t take any photos.

Challenges Difficulties Faced

Some difficulties faced were that I was afraid that the gears will not go together but because I measured correctly and precisely, it worked fairly well.

Evaluation of progress

I am doing well and I have caught up with the other students and with the document as well. The next thing I think I have to do is check if this product works.

 

November 12th 2013 Day B

Work Completed Today

Today, I worked on developing the side bar for my website. When I looked at my side bar I realized that it was very drab and it wasn’t very special so I decided to customize it.Side bar Customized:b13

People consulted

Some people consulted were my client. I gave her the semi-finished product and asked her if it was fine. She said that it was good but she said that same thing as my mother. She said that I should file the handle hole.

Photos showing use of tools used to create the product

The tools that I used for this was safari because I didn’t build today.

Challenges Difficulties Faced

Some difficulties faced was that I had to enter the code in the text bar so it will work when looking at the actual website. It was a difficulty because I had never done it. But I have solved it by looking up on the internet to find out how to do it.

Evaluation of progress

I am doing very well and I certainly like the way that my product is turning out because all I need to do is add the water proof material and then I am done.

 

November 14th 2013 Day D

Work Completed Today

Humanities: In Humanities I have finished the mechanisms study and know I am moving on to the historical investigation that I have slightly started.Design Technology:I have completed developing my website in class. Because the teachers thought that the weever II theme was a good idea I changed my website to that theme and then I realized that this was total chaos.  It was unorganized and even if I tried hard to make it better it wouldn’t so I undoed everying.

Pictures of progress:

b15b16b17

People consulted

Some people consulted were my client because I asked her if she liked the weaver theme and I showed her the captured scene. She said she liked the old one better but she thought that I could improve more on the weever theme.

Photos showing use of tools used to create the product

The tools that I used to create the website was safari.

Challenges Difficulties Faced

Some difficulties faced was that when I changed it in to the weever theme, the static page would appear with the sidebar, which was ugly to see. I solved this problem by changing it back to the 2011 theme.The pictures are above.

Evaluation of progress

I am doing very well, except I need to end my product and finish it off. I don’t think I am behind anyone know that I’ve almost finished building.

 

November 15th 2013 Day E

Work Completed Today

Humanities:I am almost finished with the historical investigation because inclined planes have a lot of information to it online. I am also using easybib to correctly site my resources.Design Technology:

The work that I have completed today is I have worked on Humanities because I decided that I have almost finished DT and it was all right for me to start doing research to finish Humanities.

People consulted

Some people consulted were my client. I asked her if my product material for the swimming cap was okay. She said it was fine because it was waterproof.b19

Photos showing use of tools used to create the product

Because I didn’t build today, the tools that I used to create the document was Microsoft word.

Challenges Difficulties Faced

Some difficulties faced was that at home, I couldn’t find any swimming cap but I was sure that it was at home. I solved this problem by getting my family to help me find it. I couldn’t take pictures of this event but I have the picture of the cap obove.

Evaluation of progress

I am doing well since the deadline is coming up. I have finished most of my information and I am working on the evaluate on science the only thing I need to do for DT is cut a hole in the swimming cap and file the cup.

 

November 19th 2013 Day G

Work Completed Today

Humanities:Today at humanities I got feedback for my Development. It was helpful for my construction phase because I could see what I could improve on and develop or change.Design Technology: I had a lot of work completed today. Today I worked on filing the hole in the inside of my big cup because it is one of the last stages in to finishing my product. At home I cut a hole in to my swimming cap to finish the project up.

b21b22

People consulted

One person consulted was Mr. Johnson as I mentioned about the development stage. I have gotten a lot out of that talk and I know that I will take the feedback in to consideration.

Photos showing use of tools used to create the product

 The tools I have used to create the product was the file as you can see in the picture.b23

Challenges Difficulties Faced

Some challenges faced were that when I was cutting the whole inside the swimming cap I didn’t know the exact size to make it. So I got a sample umbrella and drew the circle. I don’t have any pictures of this event.

Evaluation of progress

I have finished almost everything from building to the document. All I have left is to finish some of my science and my humanities.

b) Final Product

i)bird eye view

SAMSUNG

 

ii) Front view

SAMSUNG

Evidence of Testing

Aesthetic appearance (Shape, color, texture): I will conduct a survey to people ask my client after I make my product to make sure that my final drawing matches with my product. (I decided to ask my client because it was the client who decides finally). 

When I asked my client, my client stated that the colors and the materials were very identical and she approved of it.

a1a2

 

IMPROVEMENT- Quality Control: I will check if the product works properly. This will decided when the Quality Control is conducted.

a4

I experimented with my umbrella to see if it works. I found out that it works well since I was worried that it couldn’t turn the umbrella because it might have been too heavy. The reason it worked was because I poked the hole in the swimming cap but it didn’t work so I made the hole bigger.

 

Health and safety: I will check my self if it has any dangerous parts and fix any problems.

a5

I checked for dangerous parts and I found out the hole at the top was kind of rough so I filed it extra so that it wasn’t dangerous

 

Weight: I will be putting my product on a weight to see if it is less than 10 kg.

a6

I have tested this and put this on a weight and measured to see if it was less than 10kg. I found out that it wasn’t even 1 kg and it was about 0.9 kg.

Product Construction Works cited

Works Cited

“Archimedes.” – New World Encyclopedia. N.p., n.d. Web. 18 Nov. 2013. <http://www.newworldencyclopedia.org/entry/Archimedes>.

BBC News. BBC, n.d. Web. 18 Nov. 2013. <http://www.bbc.co.uk/history/historic_figures/archimedes.shtml>.

BBC News. BBC, n.d. Web. 18 Nov. 2013. <http://www.bbc.co.uk/shropshire/content/articles/2007/02/16/ketley_inclined_plane_video_feature.shtml>.

“Canal Inclined Plane.” Wikipedia. Wikimedia Foundation, 17 Oct. 2013. Web. 18 Nov. 2013. <http://en.wikipedia.org/wiki/Canal_inclined_plane>.

“Dirtmeister: Simple Machines — Wedge.” Dirtmeister: Simple Machines — Wedge. N.p., n.d. Web. 17 Nov. 2013. <http://teacher.scholastic.com/dirtrep/simple/wedge.htm>.

Easton, James. Conjectures on the Mysterious Monument of Ancient Art, Stonehenge, on Salisbury Plain. Salisbury, England: Printed and Sold by J. Easton, 1821. Print.

“Egypt: Overview of Egypt Pyramid Construction.” Egypt: Overview of Egypt Pyramid Construction. N.p., n.d. Web. 18 Nov. 2013. <http://www.touregypt.net/construction/>.

“English Definition of “canal”” Canal Noun. N.p., n.d. Web. 18 Nov. 2013. <http://dictionary.cambridge.org/dictionary/british/canal?q=canal>.

“English Definition of “landslide”” Landslide Noun (FALLING EARTH). N.p., n.d. Web. 19 Nov. 2013. <http://dictionary.cambridge.org/dictionary/british/landslide_1?q=landslide>.

“Evacuation Slide.” Wikipedia. Wikimedia Foundation, 13 Nov. 2013. Web. 18 Nov. 2013. <http://en.wikipedia.org/wiki/Evacuation_slide>.

“Great Pyramid of Giza.” – New World Encyclopedia. N.p., n.d. Web. 18 Nov. 2013. <http://www.newworldencyclopedia.org/entry/Great_Pyramid_of_Giza>.

“Heron of Alexandria.” Encyclopedia Britannica. N.p., n.d. Web. 18 Nov. 2013. <http://global.britannica.com/EBchecked/topic/263417/Heron-of-Alexandria>.

“Inclined Plane.” – New World Encyclopedia. N.p., n.d. Web. 18 Nov. 2013. <http://www.newworldencyclopedia.org/entry/inclined_plane>.

“Inclined Plane.” Wikipedia. Wikimedia Foundation, 11 Apr. 2013. Web. 17 Nov. 2013. <http://en.wikipedia.org/wiki/Inclined_plane>.

“”inQuiry Almanack” – Spotlighting… – March, 1997.” “inQuiry Almanack” – Spotlighting… – March, 1997. N.p., n.d. Web. 17 Nov. 2013. <http://www.fi.edu/qa97/spotlight3/>.

“Ketley Canal.” Wikipedia. Wikimedia Foundation, 27 Oct. 2013. Web. 18 Nov. 2013. <http://en.wikipedia.org/wiki/Ketley_Canal>.

“Levers Are Simple Machines.” Lever Is a Simple Machine by Ron Kurtus. N.p., n.d. Web. 17 Nov. 2013. <http://www.school-for-champions.com/machines/levers.htm>.

N.d. Photograph. Basic Mechanics. Web. 17 Nov. 2013. <https://www.clear.rice.edu/elec201/Book/images/pulley.gif>.

N.d. Photograph. Education.com. Web. 17 Nov. 2013. <http://01.edu-cdn.com/files/89501_89600/89547/file_89547.jpg>.

N.d. Photograph. English Heritage. Web. 18 Nov. 2013. <http://www.english-heritage.org.uk/content/properties/stonehenge/287293/stonehenge-header-1.jpg>.

N.d. Photograph. The Famous People. Web. 18 Nov. 2013. <http://cdn1.thefamouspeople.com/profiles/images/archimedes.jpg>.

N.d. Photograph. Free Patents Online. Web. 18 Nov. 2013. <http://www.freepatentsonline.com/6769647-0-large.jpg>.

N.d. Photograph. Hyper Physics. Web. 17 Nov. 2013. <http://hyperphysics.phy-astr.gsu.edu/hbase/mechanics/imgmech/screw.gif>.

N.d. Photograph. KMODDL. Web. 17 Nov. 2013. <http://kmoddl.library.cornell.edu/stillImages/Clark/small/003.jpg>.

N.d. Photograph. Math Open Reference. Web. 18 Nov. 2013. <http://www.mathopenref.com/images/hero/heronbust.jpg>.

N.d. Photograph. Museum of Science+industry Chicago. Web. 17 Nov. 2013. <http://www.msichicago.org/fileadmin/Activities/Howtos/Build_a_Lever/lever_drawing.gif>.

N.d. Photograph. New World Encyclopedia. Web. 18 Nov. 2013. <http://static.newworldencyclopedia.org/6/62/Straight_on_ramps1a.jpg>.

N.d. Photograph. New World Encyclopedia. Web. 18 Nov. 2013. <http://static.newworldencyclopedia.org/c/cc/Other_ramps1b.jpg>.

N.d. Photograph. Photographers Resource. Web. 18 Nov. 2013. <http://www.photographers-resource.co.uk/images/A_heritage/canals/Foxton/Foxton_inclined_plane_construction.png>.

N.d. Photograph. USGS. Web. 20 Nov. 2013. <http://landslides.usgs.gov/research/other/images/Image65.jpg>.

N.d. Photograph. Wikimedia. Web. 17 Nov. 2013. <http://upload.wikimedia.org/wikipedia/commons/thumb/b/b5/Inclined_plane_terminology.svg/1024px-Inclined_plane_terminology.svg.png>.

“Research Article: Inclined Plane.” BookRags. BookRags, n.d. Web. 18 Nov. 2013. <http://www.bookrags.com/research/inclined-plane-woi/>.

“Stonehenge.” Wikipedia. Wikimedia Foundation, 17 Nov. 2013. Web. 18 Nov. 2013. <http://en.wikipedia.org/wiki/Stonehenge>.

“Uganda Abandons Landslide Rescue Bid for Buried.” BBC News. BBC, 26 June 2012. Web. 19 Nov. 2013. <http://www.bbc.co.uk/news/world-africa-18592927>.

Washington Homes on Edge After Massive Landslide. N.p., n.d. Web. 20 Nov. 2013. <http://www.youtube.com/watch?v=qcouYJMfHNo>.

“The Wheel and Axle – Maillardet’s Automaton–Franklin Institute Science Museum.” The Wheel and Axle – Maillardet’s Automaton–Franklin Institute Science Museum. N.p., n.d. Web. 17 Nov. 2013. <http://www.fi.edu/pieces/knox/automaton/wheel.htm>.

Work and Simple Machines PPT Video. N.p., n.d. Web. 20 Nov. 2013. <http://www.youtube.com/watch?v=P7xS2Ali1t8>.

“Work and Simple Machines.” Science Education at Jefferson Lab. N.p., n.d. Web. 17 Nov. 2013. <http://education.jlab.org/jsat/powerpoint/work_and_simple_machines.ppt>.

“Work and Six Simple Machines.” Work and Six Simple Machines. N.p., n.d. Web. 17 Nov. 2013. <http://bookbuilder.cast.org/view_print.php?book=21173>.

“Worldwide Overview of Large Landslides of the 20th and 21st Centuries.” Worldwide Overview of Large Landslides of the 20th and 21st Centuries. N.p., n.d. Web. 19 Nov. 2013. <http://landslides.usgs.gov/learning/majorls.php>.

2) Science Investigation

1.  OBJECTIVE

1a. Learn how an inclined plane works.

 

First of all, the inclined plane is of the many simple machines including the wedge, athe lever, the wheel, the screw, and the pulley. The inclined plane is used to lift things easier. Lifting an object straight up is using more force than pulling the object against an inclined plane, which uses friction. The position of how the ramp is positioned is called the slope or the gradient in mathematical terms. As the slope gets steeper, the force that is used to lift the item gets closer to lifting the item straight up. Like the picture, if you say that the above angle is  (theta), as theta increases the slope becomes steeper as the item becomes harder to loft and it gets closer to the weight of lifting the item straight up. On the other hand, as theta decreases, it becomes easier to lift.

 

1b. Investigate how the force to pull a load up an inclined plane depends on the slope of the incline.

 

2.  INTRODUCTION

You will begin your investigation of machines by focusing on the inclined plane.  Inclined planes are ramps.  You see them everywhere.  Many places have ramps to help physically disabled people enter and exit buildings.   Sometimes people use ramps to move heavy loads.  If you had to raise a heavy load to some height, would you rather lift it straight up or push it along an incline?  Think about that as you do this inquiry.

 

2a.  Have you every seen a ramp used to move an object or a person to a higher position?  If so, where?

 

I have seen a lot of ramps used in everyday life. In malls or public areas, there are a lot of stairs and for people who are using wheel chairs it might be harder for them to get up the stairs. That is why they have stone ramps next to the stairs so that those people can get up the same height not having any trouble. Also carts from the markets can often use these routes. Another ramp that I have seen in was when people move from house to house. Some boxes are very heavy and they are not able to move up by hand. That is why they have ramps so they can use less force to carry the item. One last way of the many there are car ramps. Car ramps are used when you want to fix the car, or make it go up on something. Then you don’t have to lift the car up and you can just roll the car.

 

2b.  Did the ramp have a gentle slope or a steep slope?

 

Even though they are different types of ramps, they all have a similarity that they all had a gentle slope. There is no use using a steep slope because it makes the whole process harder because more force is required to move the item. If it is a gentle slope however, you can move the item more easily and smoothly without a problem.

 

2c.  Why do you think a ramp was used?

 

A ramp was used because it used up less force than just moving the ramp up. As mentioned previously, we have to use a ramp with a gentle slope because there is no use using a steep slope.

 

3.  MEASURING FORCE ON AN INCLINED PLANE

 

3a. Attach a spring scale to an object and measure the force required to pull the object at a slow, steady speed across a flat-lying shelf board.

 

Item used: Full water bottle

Effort Force: 0.75 Newtons

b

3b. The force you used to pull the object is called the effort force. 

 

3c. Place the object on an inclined plane (Raise your shelf board to any height).  Measure and record the effort force required to hold the object on the inclined plane.  How much force did you measure?

 c

Effort Force: 1 Newton

Rise: 28 cm

 

3d.  If you pulled the object up the plane (instead of just holding it in one position), how do you think the effort force needed to pull the object up the incline at a slow, steady speed would compare with the effort force needed to move the object across the flat-lying shelf board?

 

Hypothesis: My hypothesis is that the effort force needed to pull the object up the inclined plane will take more force than the effort force needed to move the object across the flat-lying shelf board because the gravity is pulling it down while the flat one isn’t.

 

3e.  Test your prediction and record results.

 

 

Rise

Run (cm)

Slope (cm)

Effort Force (Newtons)

Flat lying board

0 cm

89 cm

0

0.75 Newtons

Inclined Plane

28 cm

83 cm

0.34

2.1 Newtons

  

3f.  What do you predict will happen to the effort force required to move the object up the inclined plane if the slope (steepness) of the inclined plane is changed (both increased and decreased)?

I think that if the inclined plane’s slope is increased the effort force required will increase because the gravity has more force when it is getting close to being vertical.

 

3g.  Design a procedure to test your prediction.  To measure the different slopes of the inclined plane in your experiment, please see the diagram below, measure the “rise” and the “run” and record the slope as the “rise” divided by “run.”  

d

3h.  Write your procedure here.  

 

a) Variables

a) Variables

 

Independent variable: The independent variable is the slope (rise/run)- We are changing the slope purposely by changing the rise (books) and the run to meet the slope we want.

 

Dependent Variable:

–       Effort force: This is the one that is going on the graph

–       Angle or theta: This can be the dependent variable in another experiment.

Control Group:

–       The thickness of the books

–       The weight amount of water in the water bottle.

 

b) Materials Needed

– Filled water bottle

– 6 Books

– ramp

– meter stick

– Spring Scale

e

c) Procedure

 

1)    Fill up the water bottle.

2)    Get out the six books, meter stick, the Spring scale, and the ramp.

3)    But the ramp on the flat surface and slowly move the water bottle on the spring scale across.

4)    Record the rise, run, and the effort force.

5)    Calculate the slope.

6)    Put one book below the ramp and slowly move the water bottle on the spring scale across.

7)    Record the rise, run, and the effort force

8)    Calculate the slope

9)    Put another book (so there is two) below the ramp and slowly move the water bottle on the spring scale across.

10) Record the rise, run, and the effort force.

11) Calculate the slope.

12) Put another book (so there is three) below the ramp and slowly move the water bottle on the spring scale across.

13) Record the rise, run, and the effort force.

14) Calculate the slope.

15) Put another book (so there is four) below the ramp and slowly move the water bottle on the spring scale across.

16) Record the rise, run, and the effort force.

17) Calculate the slope.

18) Put another book (so there is five) below the ramp and slowly move the water bottle on the spring scale across.

19) Record the rise, run, and the effort force.

20) Calculate the slope.

21) Put another book (so there is six) below the ramp and slowly move the water bottle on the spring scale across.

22) Record the rise, run, and the effort force.

23) Calculate the slope.

24) See the results and make a graph.

 

3i.  Make a data table to record your measurements here.  It should include Rise, Run, Slope, Effort Force

 

Try

Rise

Run

Slope

Effort Force (Newtons)

0 Books

0 89 0 0.4

1 book

4 88 0.05 0.8

2 books

8 87 0.1 1.2

3 books

12 86 0.14 1.6

4 books

16 85 0.2 2.0

5 books

20 84 0.24 2.4

6 books

24 83 0.3 2.8

 

 

3i.   Perform your experiment and collect your data.

 

3j.  Graph and describe your data.  What does trend (=pattern) does the graph show?  (How does the data change?)

 m

We can see more data on the table so I will explain about the table. In the table the things that are shown and marked are the rise, run, slope, the number of books, and the effort force in newtons. We can analyze that as the number of books increases the rise becomes higher, the run becomes lower, and the slope and the effort force becomes higher. For example when we had 1 book we had a rise of 4cm and a run of 88cm. We also had a slope of 0.05 and a effort force of 0.8 Newtons. However, when we had 2 books we had a rise, run, slope, effort force of 8cm, 87com, 0.1, and 1.2 Newtons, respectively. This shows us that the thickness of the books are 4 cm and that as we add more books the rise increases by 4 cm, the run decreases by 1 cm, the slope increases in about 0.05, and the effort force increases about 0.4 each time. While in the table we find out the difference between the individuals, in the graph we find out about the patterns that it shows.

 

In the graph the slopes are in decimals so we can only see about where the points are on the graph and we can’t call out the coordinates. However, we can see in this graph that overall as the slope increases the Effort force (Newtons) increase as well. Also sometimes the slopes aren’t the same distances with the other points. Some of them are closer.

For an extra part I not only wanted to compare the graph to the table but I wanted to compare two graphs:

 

1) Graph without line of best fit

m

2) Graph with line of best fit

Newetons2

 

These two graphs are nearly the same but the only difference is that the last one has a line of best fit. The line of best fit is a linear line that creates an over all relationship between the two variables, in this case Slope and effort force in newtons. Now the question that we have to answer is this: which one is easier to use? I would say that the graph with the line of best fit is easier because you can see the overall increase in the points, which is labeled, as series 1. Now that we have a linear line supporting, it is easier for us to tell if it is increasing or not. The first one is not as effective because it only has points and we can’t actually tell if it is linear or if it is slightly off.

 

3k.  Present a conclusion supported by your data about the effort force needed to move the object along the inclined plane and how it relates to the slope of the inclined plane.  Include an explanation for the relationship you find.

 

To answer the overall question, in the experiment we found out about the relationship of slope to the effort force in Newtons. As the number of books or the rise increased the run decreased which means that the numerator is getting bigger than the denominator making the number become bigger every time. As the slope becomes steeper, the effort force becomes larger because it is coming close to the object just hanging from the sky, which is the position that takes up the most effort force. Therefore, with my experiment, I proved that as the slope becomes steeper the effort force increases as well.

 

In my Hypothesis I stated:

I think that if the inclined plane’s slope is increased the effort force required will increase because the gravity has more force when it is getting close to being vertical.

 

I have proved my self exactly because in my experiment, as the slope increased the effort force increased as well. The reason was the same too because it was getting close to the point where gravity takes over and when it is just hanging from the sky.

 

Rise/run is called the slope or the gradient. Rise is the numerator and run is the denominator. If the numerator is smaller than the denominator, then the number is going to be a fraction and vise versa. In this case, the numerator is getting bigger and bigger and the denominator is getting smaller which means that the overall slope is going to increase throughout. Also we can measure the slope with an angle called theta. Because the triangle formed with the ramp is a right triangle, we can know that as theta increases the slope becomes steeper. The highest that a slope can go is 90 degrees which is just holding it from the sky which proves that it is the maximum. Also this deals with gravity. As we pull it up steeper slopes the gravity seems to “pull” harder on the water bottle making it harder to lift up. We have experimented that if we pull the bottle from the air this is the maximum amount of effort force used. As the slope becomes steeper it gets closer to this amount.

n

Explanation of the drawing:

 

The dashes on the side of each book mean that the height of them are the same, in this case, they are all 4 cm. I have marked the rise and the run so that people can clarify how to measure them. Also I have marked the theta angle, which is explained about the conclusion. I have noted that rise/run is the slope. This is a very important fact that everyone should know. I wrote on the bottom that as theta gets smaller the effort force decreases as well. Also I wrote as the slope increases, effort force increases. All of these facts are included in the Conclusion.

3) Innovative Process

1. Design Idea 1

1) Bird’s eye view

스크린샷 2013-09-24 10.41.33 PM

 

2) Side view

스크린샷 2013-09-24 10.41.44 PM

 

3)Evaluation

Target Market: This product uses centrifugal force to take out the water from umbrellas so it meets the target market. (1 out of 1)

 

Functions: This product is going to be kept in areas where it is rainy and if you spin the rod the product spins therefore taking out the water. (1 out of 1)

 

Materials: Because I do need saws to cut and glue guns this meets the need. (1 out of 1)

 

Ergonomics/ overall sizes: The size of the product is notified to be 43cm of height but might change due to change of sizes. (0 out of 1)

 

Manufacturing processes and quantity: This product is notified to be made once. (1 out of 1)

 

Equipment/ tools- requirements: I might need some materials such as the glue gun and saws but I might not need other things such as the engineer square. (0  out of 1)

 

Maintenance Requirements: This product is made out of plastic so it will be light. That is why it doesn’t meet the point. (0 out of 1)

 

Product life span and life cycle: The product is made out of plastic and it will not die out fast and it meets the point. (1 out of 1)

 

Aesthetic appearance (Shape, color, texture): The shape of the product is an upside down cup. The color of the product is semi-transparent and the texture of the product is going to be hard but smooth because it is made out of plastic. (1 out of 1)

 

Quality Assurance: This model is scheduled to have quality assurance once in 3 months. (1 out of 1)

 

Quality Control: All of the quality controls are scheduled to be held. (1 out of 1)

 

Cost: The cost of this product is going to surpass 15-20TL because it is not going to be made out of materials that I can find and because I have to buy them. ( 0 out of 1)

 

Time scale and planning: It will take approximately 40 hours and this meets my point. (1 out of 1)

 

Health and safety: This product has a lot of dangerous sides and I doubt that I can cut all of the sides off so this does not meet the point. (0 out of 1)

 

Weight: People think that plastic is light but it isn’t very light at all. It might surpass 10 kg. (0 out of 1)

 

TOTAL POINTS: (9 out of 15)

 

2. Design Idea 2

1) Model Sketch

 

 

 

 

스크린샷 2013-10-09 2.12.29 AM

 

2) Evaluation

Target Market: The target market for my product was people who live in rainy places and my product benefits those people. (1 out of 1)

 

Functions: If you turn the lever, the water comes out of the umbrella. Therefore, it fulfills the function. (1 out of 1)

 

Materials: I note that I will need to cut dowels with saws but this design is made out of 100% plastic. (0 out of 1)

 

Ergonomics/ overall sizes: The drawing states that the height of this product is going to be 24 com. (0 out of 1)

 

Manufacturing processes and quantity: This design is scheduled to be made once and therefore it fulfills the point. (1 out of 1)

 

Equipment/ tools- requirements: I might need some saws and materials such as the steel rule but I might not use all of the tools. (0 out of 1)

 

Maintenance Requirements: This product is light; however, it has a clip on to the wall that makes it to not fly off. (1 out of 1)

 

Product life span and life cycle: I stated that this product should be reusable. I think that it is because it is made out of plastic and plastic lasts long. (1 out of 1)

 

Aesthetic appearance (Shape, color, texture): The shape of the product is not an upside down cup although it is smooth and see through. (0 out of 1)

 

Quality Assurance: This product is scheduled to have quality assurance every 3 months especially because it can fall from the wall. (1 out of 1)

 

Quality Control: Every point of the quality control is going to be held while making my product and is scheduled to. (1 out of 1)

 

Cost: The cost of this product will be more than 15-20 TL because Plastic costs a lot and I have to buy a lot of the materials. (0 out of 1)

 

Time scale and planning: This product will take less than 40 hours because all I have to do is glue things together. (0 out of 1)

 

Health and safety: My product is unlikely to have dangerous sides because it is made out of plastic. (1 out of 1)

 

Weight: Since plastic is heavy it will probably weigh about 5 kg because the design is smaller than the first design. (1 out of 1)

 

TOTAL: (9 out of 15)

RESULT: Both are (9 out of 15) in terms of the specification.