Chapter 18

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Across
  1. 5. cell: a device that converts solar energy directly into electricity
  2. 6. solar power:a technology that uses the heat of the sun to generate electricity
  3. 7. into electrical energy
  4. 8. solar heating:using the design of a building to collect,store,and distribute the sun’s energy
  5. 11. solar collector
  6. 14. turbine:a device that converts the wind's kinetic
  7. 15. cells: a device that converts hydrogen or another fuel into electricity
  8. 17. generated by the combustion of organic materials
  9. 18. energy: energy that is produced from this material.
  10. 19. energy:electricity generated from the movement of the tides
Down
  1. 1. generated from the energy of moving water
  2. 2. thermal energy conversion (OTEC):the process of changing the solar energy stored in the ocean to electric power
  3. 3. process that releases hydrogen by using an electric current to break down water molecules
  4. 4. source heat pump: a network of pipes that circulates water from the ground( for heating) and back into the ground(for cooling)
  5. 9. solar heating: the use of technology to collect,store ,and distribute the sun’s energy
  6. 10. from organic sources
  7. 12. electricity
  8. 13. energy: a type of renewable energy that is generated deep underground
  9. 16. farms:a power plant that uses wind turbines to