Thermal Energy Transfer

1234567891011121314151617181920
Across
  1. 2. The state of matter where conduction happens most effectively.
  2. 6. The energy of motion; heat is actually the movement of molecules.
  3. 8. The movement of energy from a warmer object to a cooler one.
  4. 10. Most materials do this when they get cold, taking up less space.
  5. 12. Most materials do this when they get hot, taking up more space.
  6. 13. Heat transfer through the circular movement of liquids or gases.
  7. 16. When two objects reach the same temperature and heat stops flowing.
  8. 18. A material like metal that allows heat to flow through it easily.
  9. 20. A state of matter (liquid or gas) where convection currents can happen.
Down
  1. 1. Tiny particles that move faster when they absorb heat energy.
  2. 3. A fluid that can transfer heat through convection or conduction.
  3. 4. A word that specifically relates to heat or temperature.
  4. 5. The technical two-word term for the energy of motion.
  5. 7. Heat transfer through direct contact or touching between objects.
  6. 9. The measurement of the average kinetic energy in an object.
  7. 11. Heat transfer through electromagnetic waves like sunlight or a campfire.
  8. 14. A material like wood or plastic that slows down heat transfer.
  9. 15. Convection happens because hot fluids have a lower ______ and rise.
  10. 17. Heat always moves away from an object that is ______.
  11. 19. Heat always moves toward an object that is ______.