Across
- 2. Measure of electrical power
- 3. Solar panels are usually placed on this part of a house
- 7. the bright star in the middle of our solar system that
- 10. The type of energy solar panels convert sunlight into
- 11. created the first solar cell in 1883 using selenium
- 13. Radiant energy from the sun
- 15. The material that is commonly used in solar cells.
Down
- 1. What does AC stand for?
- 4. The movement of heat from the sun to Earth
- 5. Devices that are used to absorb the sun's heat and convert it into electricity
- 6. The science of energy from the sun
- 8. The process of converting sunlight to electricity
- 9. The transparent part of the solar panel that protects the cells
- 12. A kind of energy that can be replenished naturally
- 14. What does DC stand for?