Across
- 2. An earthquake wave is called a
- 5. Intensity, or ?, decreases as distance increases
- 7. A material in which a wave travels is called a?
- 10. Side by side and having the same distance continuously between them
- 12. Is a wave that travels only through matter
- 14. The amount of sound energy that passes through a square meter of space in one second
- 16. Is the number of times the pattern repeats in a given time
- 18. causes the particles in a medium to move parallel to the direction that the wave travels
- 19. The sections where the particles in the medium are closest together are
- 21. Is a longitudinal wave that can travel only through matter
- 23. Bottom of the wave
Down
- 1. A straight line at an angle of 90° to a given line, plane, or surface
- 3. Top of the wave
- 4. Is a back-and-forth or an up-and-down movement of an object
- 6. The maximum distance that the wave moves from its rest position
- 8. The distance between one point on a wave to the same on the next wave is the
- 9. The regions where the particles are farthest apart are
- 11. The perception of how high or low a sound seems is
- 13. Is a disturbance that transfers energy from one place to another without transferring matter
- 15. Friction between the wind at sea and the water form
- 17. between about 20 Hz and 20,000 Hz.
- 20. A space entirely devoid of matter
- 22. above this range are called
