Solar Energy Crossword Puzzle

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Across
  1. 3. A measurement of energy
  2. 5. Hold all the electrical power
  3. 7. A system where homeowners with solar panels can send extra electricity back to the grid
  4. 11. A system that uses mirrors to focus sunlight to create heat
  5. 13. Energy that comes from the sun's light and heat
Down
  1. 1. A technology that converts sunlight directly into electricity using solar cells
  2. 2. Energy from the sun used to hear water
  3. 4. The small semiconductor unit inside a solar panel
  4. 6. A machine that changes the DC electricity to AC Electricity
  5. 8. A device that stores extra solar energy
  6. 9. A device made of many solar cells that capture sunlight and turn it into electricity
  7. 10. A group of multiple solar panels
  8. 12. A measure of how much sunlight a panel can turn into electricity