Across
- 5. collection of reflected sounds from the surface in closed space
- 7. region of a longitudinal wave where the particles are farthest apart
- 8. waves that overlap combine forming a new wave
- 9. longitudinal waves that can only travel through matter
- 11. a wave that can only travel through matter
- 14. amount of sound energy that passes through a square meter of space in one second
- 16. rapid back and forth motion that can occur in solids, liquids, or gases
- 17. study of how sound interacts with structures
- 18. animal uses to locate an object by means of reflected sound
Down
- 1. distance that transfers energy from one space to another without transferring matter
- 2. perception of high or low a sound seems
- 3. change of pitch when a sound source is moving in relation to an observer
- 4. bouncing of a wave off a surface
- 6. reflected sound wave
- 7. passage of light through an object
- 10. system that uses direction of sound waves to find underwarter objects
- 11. matter where a wave travels
- 12. transfer of energy by a wave to the medium through which it travels
- 13. highest point on transverse wave
- 15. lowest point on transverse wave