Heat and Energy production

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Across
  1. 2. heat that is transferred by waves
  2. 4. is natural gas non renewable
  3. 8. heat that is transferred by air or wind
  4. 9. energy that comes from burning organic matter
  5. 10. what does everything above absolute zero emit
  6. 11. is rubber a good insulator or a good conductor
  7. 13. true or false is solar energy a source of renewable energy
  8. 16. if something lets very little heat or electricity
  9. 17. energy that comes from the sun
  10. 18. wind energy is the most used energy source
Down
  1. 1. if something lets lots of heat and electricity pass through a conductor or insulator
  2. 3. what term refers to the amount of sun that is reflected
  3. 5. fuel The cheapest and most convenient source of energy
  4. 6. heat that is transferred by touch
  5. 7. energy that is extracted from the earths surface
  6. 12. energy energy that uses wind to spin a turbine
  7. 14. energy that comes from fission
  8. 15. energy from the natural flow of water