Across
- 3. repeating pattern
- 5. Distance from crest of wave to resting point
- 7. variable signal
- 9. cannot travel through a vacuum, needs a medium
- 10. a seismic wave that moves the ground parallel to the direction it travels
- 12. a type of mechanical wave that cannot travel through a vacuum, only though water, air etc.
- 13. electrical signal
- 15. at a 90 degree angle to the m aterial
- 17. the ability to do work
- 18. what a wave travels through
- 20. convert from analog to digital or vice versa
- 22. a wave in liquid
- 24. how electromagnetic waves a organized by energy level
- 25. when a wave bounces off a surface
- 26. the frequency per second
Down
- 1. when light bends
- 2. a volume of space that contains no matter
- 4. the highest point of a wave
- 5. when the energy from a wave is absorbed by a substance or medium
- 6. distance between crests
- 8. a seismic wave that moves the ground perpendicular to the direction it travels
- 11. middle point of the wave
- 14. opposite of crest
- 16. something that reduces sound by absorbing it
- 19. can travel through a vacuum
- 21. wave inside the earth
- 23. amount of repetitions in a amount of time