Chapter 18 vocab

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Across
  1. 4. heat from the sun is collected, stored and used primarily for domestic hot water heating but also can be used for space heating
  2. 8. energy that is renewable
  3. 10. the efficiency of energy
  4. 11. how to farm wind
  5. 13. Energy from water
  6. 14. the conservation of energy
  7. 15. acts as a drug and is produced by fermentation of grains, fruits, or other sources of sugar.
  8. 16. generation of electricity and other energy jointly, especially the utilization of the steam left over from electricity generation to produce heat.
Down
  1. 1. collects heat as the sun shines through south-facing windows and retains it in materials that store heat
  2. 2. Energy from the heat of the Earth
  3. 3. Fuel that is made from biomass
  4. 5. the conversion from ocean to thermal energy
  5. 6. energy from tidal movements
  6. 7. a cell is fuel for a vehicle or power plants
  7. 9. energy that alternative
  8. 12. (CH4) is a hydrocarbon that is a primary component of natural gas.