Geothermal Energy

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Across
  1. 2. Inner layer of Earth’s molten rock
  2. 4. Energy within a system responsible for temperature
  3. 8. natural heat that we turn into electricity and power for our buildings
  4. 9. The outermost layer of the earth (also known as the lithosphere)
  5. 10. An underground container of water or steam
  6. 12. term for something that Does not produce a lot of pollution
Down
  1. 1. Steam produced when the pressure on a geothermal liquid is reduced
  2. 3. a system used to transfer heat between a source and a working fluid
  3. 5. When a liquid heats up it turns into
  4. 6. Low permeability rocks that cover reservoirs
  5. 7. molten rock within the earth
  6. 8. A spring of hot water that shoots out of the ground
  7. 11. Concentration of salt in the water