Solar

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Across
  1. 4. Solar cell.
  2. 7. Prefix meaning light.
  3. 8. A ____________ solar house has special equipment.
  4. 11. Form of energy meaning heat.
  5. 13. Solar houses without special equipment.
  6. 14. The Sun sends out or __________ energy all the time.
Down
  1. 1. Element transformed by nuclear fusion in Sun core.
  2. 2. Direction solar panels should face in US.
  3. 3. Visible radiant energy.
  4. 5. Light can convert to ________ when it is absorbed.
  5. 6. A solar _____gathers radiant energy and makes heat.
  6. 9. Element produced by nuclear fusion in Suns core.
  7. 10. PV cells convert radiant energy into _____________.
  8. 12. A solar collector can heat ____________ for showers.