Mechanical vs. Electromagnetic Waves
Across
- 2. all EM waves travel at the ______ of light (186,000 miles per sec)
- 7. what waves transfer
- 9. waves that have particles that vibrate horizontally, like sound waves
- 10. when a wave bounces off a surface at an equal angle
- 11. when a wave is taken in by a surface
- 13. the only part of the EM spectrum we can see is _____ light
- 14. if a wave has a short wavelength, it is ________ energy
- 15. if a wave has a long wavelength, it is _____ energy
- 16. type of electromagnetic wave with the shortest wavelength and most energy
- 18. wave in which particles vibrate up and down
Down
- 1. type of wave that needs a medium to travel
- 3. waves that can travel through empty space
- 4. distance from crest to crest or trough to trough
- 5. when a wave bends as it passes through two different mediums
- 6. when a wave travels through something
- 8. type of electromagnetic wave with the longest wave and lowest energy
- 11. height of a wave from the rest position
- 12. EM waves that we use for cell phones, wifi, bluetooth, and heating food
- 17. any solid, liquid, or gas matter that mechanical waves go through