Unit C Section 3.0 & 4.0

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Across
  1. 4. energy that is generated from moving water
  2. 6. heating that relies mostly on insulation
  3. 9. energy that comes from the sun
  4. 10. production of two or more forms of energy from a single energy generation
  5. 11. acts as a switch in thermostats
  6. 13. heating system that is used for entire buildings
  7. 15. heat energy that comes from the center of the earth
  8. 16. heating that requires external mechanical system
  9. 17. heat distribution that uses ducts, furnaces & vents
Down
  1. 1. energy from moving air
  2. 2. device that can be use to control heating systems
  3. 3. heating system that is used for one room
  4. 5. ability of a material to transfer heat by conduction
  5. 7. a number that shows the ability of a material to act as an insulator
  6. 8. non-renewable resource of coil, oil, and gas
  7. 12. low freezing point gas used in refrigeration
  8. 14. heat distribution that uses pipes, pumps, and radiators