Across
- 3. continuity is broken; no electric flow
- 7. ability to do work; can move or change matter
- 8. electricity made from moving water
- 9. energy from charged particles; often converted
- 12. light bouncing off a surface
- 14. light slowing down; passing through substances
- 18. energy that allows us to see
- 19. movement of sound
- 20. energy that is produced by vibrations
- 21. frequency of sound; not the same as volume!
Down
- 1. built up of electrical charges
- 2. takes in without reflecting or transmitting energy
- 4. materials that let heat/electricity pass
- 5. an object's energy due to motion or position
- 6. quickly moving back and forth; sound energy
- 10. light and thermal energy from the Sun
- 11. energy that keeps us warm
- 13. stored energy; uses chemical reactions
- 15. material used to prevent transfer of energy
- 16. continuous path; electricity can flow
- 17. dark area where light is blocked