Hurmanu - Solar energy

Solar Energy

Catching the sun movie

Materials:

1. Cups - x4 
2. Water
3. Tin Foil
4. Sheets of white paper - x2 
5. A sheet of black paper - x1
6. Thermometer
7. A large cup - x1
8. Heat Lamp

Steps

1.   Grab all your materials and place them down on a spacious surface.
2.   Fill all small cups to the line on the cup if there is no line fill up at least 2/3 of the cup with tap water.
3.   Place a larger cup over one of the cups to create a greenhouse effect.
4.   Put 1 cup on a white paper, another on another white paper, and the other two with one on tin foil and the other on black paper. - (Make sure the cup with the larger cup on top is on a white paper.
5.  Let the cups be in a hot environment if not use heat lamps.
6.  For research purposes, you can measure the temperature with a thermometer every 15 minutes.

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	12 d	12 d	12 d	12 d
15 minutes	15 d	17 d	21 d	25 d
30 minutes	17 d	18 d	21 d	23 d
45 minutes	18 d	19 d	20 d	22 d

Findings:

I think we succeeded but some of the temperatures went up and down which confused in our opinion maybe it was because we were in the environment that was near the door. the warmest was on the tin foil; because of the light reflecting on the foil, and in the start it was of course much warmer because of the heat lamp.
Conclusion:

I am really proud of our group and that we succeeded our results were surprising and confusing. Maybe because of the heat changing, of course, it was the heat lamp but also because we got sunlight and an artificial light adding on with our body temperature creating heat. Overall it was a really fun and cool experiment to do because of solar energy and renewable energy from the sun.