Chapter 18 Crossword Puzzle

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Across
  1. 3. fuel from organic sources
  2. 4. generated from the energy of moving water
  3. 7. using the design of a building to collect, store, and distribute the sun's energy
  4. 8. a metal box that absorbs the sun's energy to heat water or air
  5. 9. a power plant that uses wind turbines to generate electricity
  6. 12. the use of technology to collect, store, and distribute the sun's energy
  7. 14. the process of changing the solar energy stored in the ocean to electric power
  8. 17. a type of renewable energy that is generated deep within the earth
Down
  1. 1. a network of pipes that circulates water from the ground and back into the ground
  2. 2. a device that converts solar energy directly into electricity
  3. 5. a technology that uses the heat from the sun to generate electricity
  4. 6. electricity generated from the movement of the tides
  5. 10. electricity generated by the combustion of organic materials
  6. 11. the energy produced from organic materials
  7. 13. a device that converts the wind's kinetic energy into electrical energy
  8. 15. a process that releases hydrogen by using an electric current to break down water molecules
  9. 16. a device that converts hydrogen or another fuel into electricity