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I think that putting white paper instead of black construction paper helped improve our house and the extra aluminum foil layer on the inside of the house helped too because our percentage loss dropped 6% (which is good), and we thought that doing those 2 things helped make that happen, and I feel like it would have dropped more if it wasn't for our failures in our design (which I will list in a second). A failure in our design we thought was putting the feathers on the floor because maybe if any heat got in through the door hole the feathers trapped the heat in with the penguin which made the penguin melt more (which is bad). Our percentage lost of our final home was about 32% compared to the first home's percentage lost of about 38%. If I were to redesign this again I would make sure to not have any feathers on the floor and use that money to maybe add another layer of Mylar on the roof or the top of the house (on the outside).

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We switched the black construction paper for the white paper because we thought that black paper would attract the heat more than the white paper would, and we also put aluminum on the inside of the home to add another layer to block out some heat, and according to our data graph the aluminum was the best insulator, so it looked like a good choice. Also we added feathers to the floor (on the inside of the home it is bubble wrap - the floor) of the house to get the penguin more protection from the heat.
Click on the picture below to get it normal sized.

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Some successes in our design were that the bubble wrap on the floor worked well keeping the penguin cool and the aluminum foil roof, so we kept those things the same in our final design. Some failures in our design were only using one layer for the walls and using black paper because they did not keep the penguin cool, so we used white paper instead of black paper and added a layer of aluminum on the inside to help that. Also we added feathers on top of the floor to help block the heat that is coming into the home. Our percentage lost was about 38%, so we will need to improve our home to get a 30% or under percentage lost.

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Click on picture below to get it normal sized.

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We used aluminum for our roof, construction paper (black) for our floor, our home was square-shaped, we only had one layer for the surface of the home and it was made out of Mylar, and our home did not have anything inside it.
Click on screenshot below to get it to normal sized.

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For the Trays Demo, I could apply the results by using plastic instead of metal for my walls, roof, or floor since plastic is an insulator, or just use insulators in general, for the Spoons Demo again it shows how plastic is better than metal since plastic is an insulator so I will make sure to if given the choice between plastic and metal to choose plastic for my roof, floor, or walls and use insulators, for the Black vs Mylar Roof Demo, I could use the roof that worked the best for the roof of my penguin home, and for the Attic vs Floor Demo I could the result of that (the one that worked the best) for the floor of my penguin house.

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Our Top 3 Insulators were:
1. Aluminum
2. Mylar
3. Feathers

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These penguins need saving because global warming is causing penguins in South Africa to overheat. When they go into the water to cool off, birds are stealing their eggs so we need to build a shelter to keep them cool so they can stay with their eggs. Design Challenge question: How can I design and build a shelter that reduces heat transfer and keeps my ice cube penguin from melting?