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