sci 2019

Solar Energy

Catching the sun movie

Materials:

• Cups small. (x4)
• Water.
• Tinfoil.
• 1 sheet of black paper.
• 2 sheet oh white paper.
• Thermometer.
• 1 large cup.
• 1 heat lamp.

Steps

• Get all the materials.
• Lay things out.
• Put water in the little cups.
• Put the big cup on a smaller cup that has water in the cup.
• Then put the cups on two 2 different white pieces of paper (1has a big plastic cup on the small cup.) Put 1 on a piece of a black piece of paper. And the last one on a piece of tinfoil.
• Use the sun or a heat lamp on the cups with the water in them.
• When you have done that use the thermometer and get the temperature of the
• Water.

Which surface conducts/attracts the most heat?

Time + temperature	Cup 1 White paper	Cup 2 White paper+ plastic.	Cup 3 Black paper	Cup 4 Tinfoil
0	15	13	12	13
40 minutes	17	16	24	22
55 minutes	18	17	23	22
70  minutes

Conclusion

When you leave them for 40 min the water of the white paper was at 15 and it went up to 17 then 15 min later it went to 18. The white paper and cup on top was at 13 and went up to 16 then 15 min later it was 17. The black paper was at 12 and went up to 24 then it is at 23. The tinfoil was 13 and went up to 22 then it was at 22.