Physics: Solar-Thermal Energy

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Across
  1. 8. arrangement of mirrors in a parabolic trough
  2. 10. place of origin for solar thermal energy
  3. 11. began to be used widespread with the threat of...
  4. 12. requires equipment
  5. 14. uses flat mirrors
  6. 17. collects solar radiation
  7. 18. _______ to operate once produced
  8. 19. what the mirrors in solar thermal systems track throughout the day
  9. 20. not always 100% effective during the...
Down
  1. 1. where solar thermal energy is most effective
  2. 2. heated to produce steam
  3. 3. Solar thermal energy systems can reduce region's...
  4. 4. requires no equipment
  5. 5. replaced by solar thermal energy
  6. 6. produces electricity
  7. 7. type of energy that is generally better for the environment
  8. 9. most common solar thermal energy system
  9. 13. where the receiver is located in a solar thermal tower system
  10. 15. last name of inventor of solar thermal energy
  11. 16. less efficient during this time of year