Chapter 18

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Across
  1. 4. The use of less energy to preform the same task
  2. 8. Water produced energy
  3. 10. The saving/prevention of wasting energy
  4. 11. Energy made from resources that won't run out
  5. 13. A cell producing electrical energy from a chemical reaction
  6. 15. Use of solar energy to heat a fluid
  7. 16. Power produced by the surges of ocean water during the rise and fall of tides
Down
  1. 1. Steam created using the Earth's heat
  2. 2. The use of the sun for heating
  3. 3. Panels that convert sunlight to energy
  4. 5. OTEC
  5. 6. Land dedicated to windmills and turbines
  6. 7. Plants used for energy production
  7. 9. Generation of electricity and other energy
  8. 12. Main gas in natural gas
  9. 14. Flammable liquid produced by natural fermentation of sugar