science test practice quiz

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Across
  1. 6. heat that is transferred by waves
  2. 7. energy from the natural flow of water
  3. 8. heat that is transferred by touch
  4. 9. wind energy is the most used energy source
  5. 10. natural gas is non renewable
  6. 11. energy that comes from fission
  7. 12. energy that comes from burning organic matter
Down
  1. 1. energy that comes from the sun
  2. 2. energy energy that uses wind to spin a turbine
  3. 3. energy that is extracted from the earths surface
  4. 4. what does everything above absolute zero emit
  5. 5. fuel The cheapest and most convenient source of energy
  6. 7. true or false is solar energy a source of renewable energy
  7. 8. heat that is transferred by air or wind