Across
- 4. from warmer matter to cooler matter
- 6. thermal energy that is being transferred from 1 place to another
- 8. energy that will soon run out
- 9. heat transfer through currents, liquids, and gases
- 13. energy that can be re-used
- 14. energy that's transferred by direct contact
Down
- 1. average of motion of an objects particles
- 2. energy transferred by mass motion of molecules
- 3. movement of heat from one substance to another
- 5. energy is transferred by electromagnetic radiation
- 7. heats always travels in ______
- 10. energy that is in motion
- 11. never created or destroyed only changes form
- 12. energy that is stored or waiting to be used