Across
- 3. energy in motion
- 7. a material that doesn't easily allow heat to flow through it
- 8. comes from a variety of sources; used most often for communication
- 9. the intensity of the thermal energy in an object
- 10. the amount of thermal energy in an object
- 11. stored energy
- 13. comes from releasing energy from the nucleus of an atom; used in nuclear power plants
- 15. energy cannot be created or destroyed, it can only change forms
Down
- 1. the transfer of energy by rubbing objects together
- 2. the total amount of kinetic and potential energy in a system
- 4. light that comes from the sun and lightbulbs, used to see as a power source
- 5. heat that comes from fire, sun, etc.; used to heat objects
- 6. the transfer of heat through direct contact
- 12. comes from outlets and power plants; used to power electrical devices
- 14. the ability to change