Across
- 2. found naturally in sunlight
- 3. a wave with a low amplitude has a
- 4. the lowest part of the wave
- 5. how many waves are there
- 6. the distance from each crest to the next
- 7. lowest wavelength and highest frequency
- 12. A wave that requires a medium to travel
- 13. the height from the trough to the crest
- 14. the unit of measurement for frequency
- 16. used in remote controls and toasters
- 18. the longest wavelength and shortest frequency
- 19. the only set of wavelengths that we can see
- 20. particles of a longitudinal wave are closer together
Down
- 1. a list of different electromagnetic waves from lowets frequency to highest frequency
- 8. the material through which a wave travels through
- 9. the tallest part of the wave
- 10. used for iphones, wifi, and bluetooth
- 11. Particles of a longitudinal wave are further apart
- 15. the ability to do work
- 17. used to make images of the body