Solar Energy Crossword Puzzle

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