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This is a picture of a group of Boulder Beach Penguins walking on the beach

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We did better the second time we tested and the percent lost was 34%. The mass it started at was 6.5 grams and ended at 4.3 grams. The failures in the design were the door because the air could still go through because of the holes in it. The successes were that it was under budget and the penguin could fit in the home.

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This is a picture of an egg and they keep loosing theirs.

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We stayed in the budget of $100 dollars and only used the materials that were provided.

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We added more bubble wrap and put mylar on top of that. We changed the door so heat couldn't escape into it. We canged it to two flaps and taped it shut.

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Day 3: Description Of My Prototype Test Results

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Day 3: Description Of My Prototype Test Results

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The penguin before testing weighed 8.8 grams. When we took it out of the box and it was still hot. We weighed it after it was in the hot box for 20 minutes and it weighed 3.3 grams. It dropped 5.5 grams and the percentage lost was 62.5%.

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This is a picture of two penguins close up.

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My groups home has mylar on top of the house and layers of bubble wrap in between. The door is a bunch of little flaps which made a triangle. The shape is a rectangle and the corners are folded.

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I will apply what I learned today by putting the objects that prevented heat transfer into my home because I need to keep heat from getting into the home. We tested and used the materials that are the best insulators. We are going to use foil for the floor

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Day 2: Which Insulators Prevented Heat Transfer The Most 

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Day 2: Which Insulators Prevented Heat Transfer The Most 

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The insulators that prevented heat the most are mylar, foil, and bubble wrap.

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Day 2: Why am I Testing Different Materials

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Day 2: Why am I Testing Different Materials

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I am testing different materials to find out which are the best combinations. We did several different combinations, but the one that worked the most was bubble wrap and mylar. We are using this for our igloo.

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In the tray demo the conductor felt cooler on the outside because its transferring your heat to itself, so the insulators don't take the heat quickly. In the spoon demo we learned not to use medal because the ice cube melted faster which means its warmer. Finally in the house demo the hot air rises to the top so we want to make it is cold at the top.

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The penguins are loosing their eggs and struggling to keep cool.

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The type of penguins we are studying are Bolder Beach Penguins. They live off the coast of South Africa. They weigh 48 pounds and usually 20 inches tall. They have a curved black stripe across their chest. They are endangered.