Solar Panels

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Across
  1. 2. Where were solar panels invented?
  2. 3. True or false - raw materials for the production of the new cell do not need to be mined?
  3. 5. Who invented this new alternative?
  4. 6. Ferroelectric crystal cells are not a replacement, instead a _____
  5. 8. ____ cells cost less and provide endless flows of energy
  6. 11. True or false - This alternative requires a PN junction to make the PV effect
  7. 12. Approximately 90% of solar panels are made from what silicon?
  8. 14. Crystal cannot absorb a lot of _____, meaning it generates a low photo current
  9. 15. What energy is solar panels?
Down
  1. 1. A material that is used and is a mix of barium and titanium
  2. 3. High _____ decrease the quality and efficiency of the solar panel
  3. 4. _____ crystal cells are a substitute for solar panel cells
  4. 7. Solar panels that you find on roofs and farms are standard silicon _____
  5. 9. Along with being 1000x stronger, what else are these new panels?
  6. 10. The material goes from 99% pure silicon to 99.9999% after removing what?
  7. 13. Tesla's panel has a lifespan of approximately 25 -_____ years