1. Solar energy lab Name Date Class

2. Questions What are solar panels made out of? What color are they and why? What makes solar power an efficient mode of electricity? Which color attracts the most heat, and which the least? Red, Black, Blue, White or Yellow?

3. Hypothesis You can hypothesize all three questions.

4. Materials 1.Stop Watch 2.Construction paper 1.One red, one black, one yellow, one white, one blue 3.Thermometer 4.Paper and pencil, and graph paper 5.Sunny day 6.Team work

5. Procedure 1.Lay paper on the ground outside and place a rock or something to hold it in place. 2.Take a thermometer from the ice water. Dry off. 3.Place one thermometer on each piece of paper

6. Procedure Cont’d 4. Begin stop watches as soon as thermometer is on the paper. 5. Record thermometer readings in table every 60 seconds 6. Stop recording after 10 minutes.

7. Data Table RedBlueBlackWhiteYellow 1min 2 3 4 5 6 7 8 9 10

8. Graph Table Use graph paper and colored pencil to graph the table.

9. Conclusion Tell me what you can learn from the graph. Answer all three questions.