Across
- 3. time taken to complete a repeating phenomenon
- 7. polar opposites
- 9. a wave that moves like a snake
- 10. a wave cause by a electric and magnetic fields
- 13. a wave moveing up and down
- 15. number of waves passing a certain point
- 16. distance between crest other crest
Down
- 1. a disturbance
- 2. energy going from a wave to matter
- 4. wave bouncing back
- 5. the bending of waves
- 6. the distance particles move when a wave passes
- 8. radiation seen by the human eye
- 11. the bending of a wave going from on thing to another
- 12. device that amplifies light
- 14. type of galaxy