Across
- 2. A device that measures how hot or cold something is.
- 4. force that opposes motion between between 2 surfaces that are in contact.
- 6. The energy of moving electrons.
- 10. The energy transsfered between two objects that are at different temperatures.
- 12. Are the physical forms of matter.
- 13. Is the movement of matter that is caused by differences in density.
- 14. A natural resource that can be reproduced at the same rate at t is being used.
- 18. Are heat engines that burn fuel within the engine.
- 23. A device that measures heat.
- 24. A substance that reduces the transfer of heat electricity, sound, or heat.
Down
- 1. The burning of a substance.
- 3. Is the temperature when the molecular energy is at zero.
- 5. Energy produced by heat within the Earth.
- 6. Are heat engiens that burn fuel outside of the engine.
- 7. A change of one form of energy to then another.
- 8. The burning of wood.
- 9. Any organic matter that is used as an energy source.
- 11. A device that measures energy from the sun.
- 15. The energy of moving electrons.
- 16. A vibrating drum in a disco.
- 17. The energy of an object that is due to the object
- 19. The transfer of energy as heat through a material.
- 20. Energy that is released by a fission of fusion reaction
- 21. Light from a lightbulb.
- 22. The kinetic energy of a substance's atoms.