Heat

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Across
  1. 3. the absence of heat
  2. 4. transfer of energy through electromagnetic waves
  3. 7. waves that can travel through outer space
  4. 10. unit used to express thermal energy
  5. 13. another name for heat waves
  6. 14. energy transferred between objects
  7. 15. substances that don't conduct thermal energy well
  8. 17. ________energy is the total kinetic energy of a substance
  9. 18. substances that conduct thermal energy well
Down
  1. 1. no particles to move in a ________
  2. 2. used to measure temperature
  3. 5. when water is heated it becomes less dense
  4. 6. measures the average kinetic energy of the particles in a substance
  5. 8. when a fluide circulates due to density differences it make a convection_______
  6. 9. transfer of thermal energy by direct contact
  7. 11. tranfer of thermal energy through fluids
  8. 12. the atmosphere acts like windows in a _______
  9. 16. most of these are good conductors