Method= First we planned a design that we thought could heat water. the teacher then showed us what design we were going to be creating. we then did a paper mache balloon and left it to sit for a few days. we then popped the balloon and cut the paper sphere in half. we then wrapped the inside of the half circle in tin foil so that you couldn't see any paper on the inside. we then filled up a beaker with water and put it in the inside then left it out in the sun to heat up. we then measured the water to find the results.
Results= In the end the air temperature was 24 degrees and we heated up the water to 37 degrees which is a 13 degrees difference so i would say it worked.
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