Across
- 2. A reflected sound
- 3. This property of a sound wave is volume or "loudness"
- 7. Waves that move matter forward and backward
- 9. Highest point of a wave
- 11. A measure of how much energy a sound wave has
- 13. When a sound wave is "caught" or taken in by soft & irregular materials
- 14. Rhythmic disturbances that carry energy without carrying matter
- 17. How fast a wave is moving
- 22. _______ relationship; where one increases & the other decreases
- 23. Area on a sound wave where the particles are spread apart
- 24. The horizontal distance between two crests side-by-side
- 25. The lowest point of a wave
Down
- 1. When a sound wave is bounced back by smooth & hard surfaces
- 4. The __________ effect is the change in pitch due to moving sound
- 5. Waves that need a medium to transfer energy
- 6. Waves that do not need a medium to transfer energy
- 8. The unit of measurement for how loud a sound is
- 10. Waves that move matter up and down at right angles
- 12. Area on a sound wave where the particles are closest
- 15. The bending of sound as it moves from one medium to another
- 16. The bending of a sound wave around an object or obstacle
- 18. This property of a sound wave is related to frequency
- 19. The number of wavelengths that pass a point in a given amount of time
- 20. The substance through which waves can travel; matter
- 21. All waves move ______ and not matter
- 26. Unit of measurement for frequency