Topic 1: Thermal Energy

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Across
  1. 3. temperature at which a liquid freezes
  2. 6. a measure of the average kinetic energy of the particles in a substance
  3. 7. materials that flow
  4. 8. a unit of measurement for heat
  5. 9. the transfer of heat in fluids
  6. 13. energy of motion
  7. 15. has a definite volume but no shape of its own
  8. 16. a material that does not conduct heat well
  9. 18. the transfer of heat through direct contact
  10. 19. even though energy moves, it is always _________.
  11. 21. the transfer of heat by electromagnetic waves
  12. 22. heat is ________ from warmer areas to cooler areas
  13. 23. has neither a definite shape nor volume
Down
  1. 1. a material that conducts heat well
  2. 2. the energy that is transferred from a warmer object to a cooler one
  3. 4. expanding of matter when it is heated
  4. 5. amount of energy required to raise the temperature of 1 kg by 1 K
  5. 10. temperature at which a liquid heats up and becomes gas
  6. 11. change of state from a liquid to a solid
  7. 12. change of state from liquid to gas
  8. 14. energy is neither lost nor created but __________
  9. 16. thermal expansion is a result of an ______ in kinetic energy of the particles in an object
  10. 17. total kinetic and potential energy of all particles in an object
  11. 20. has a definite shape and definite volume