Thermal Energy CW 3

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Across
  1. 6. Type of energy that is the energy of motion
  2. 8. Type of energy that is stored energy
  3. 9. transfer of thermal energy between materials because of collisions between particles
  4. 10. an example of a chemical reaction that releases thermal energy, along with light energy
  5. 12. transfer of thermal energy by the movement of particles from one part of a material to another
  6. 15. machine that converts thermal energy into mechanical energy
  7. 17. Water in gas form.
  8. 18. space that contains little or no matter
  9. 19. A process that creates new substances from existing substances and can absorb or release thermal energy.
  10. 21. The process when matter loses thermal energy and changes from a gas to a liquid.
Down
  1. 1. Type of energy due to motion of atoms or molecules within a substance
  2. 2. transfer of thermal energy from one material to another by electromagnetic waves
  3. 3. Matter in which atoms are constantly moving around and bumping into each other.
  4. 4. The average kinetic energy of the atoms or molecules within a substance.
  5. 5. amount of thermal energy it takes to increase the temperature of 1 kg of material by 1°C
  6. 7. Matter in which atoms are closely spaced and vibrate in a fixed position.
  7. 11. device that uses electric energy to pump thermal energy from a cooler location to a warmer location
  8. 13. device that converts electric energy into thermal energy
  9. 14. a device that regulates the temperature of a system
  10. 16. Matter in which atoms vibrate so much that they are far apart.
  11. 20. The transfer of thermal energy from a hotter area to a colder area.