Across
- 1. returning sound echoes
- 3. waves waves that transfer energy through matter are known as
- 4. the highest point
- 5. waves direction in which the wave travels is perpendicular a right angle
- 6. the spreading out of waves through an opening or around an object
- 7. instrument that uses echolocation to locate objects are known as
- 10. energy that moves in the form of em waves is called
- 11. distance from one wave crest to the next wave crest
- 12. em waves with shorter em waves
- 16. bounce back of a wave
- 19. number of waves that pass a fixed point
Down
- 1. waves is a disturbance that transfers energy through a field
- 2. wave wave travels in the same direction as the disturbance
- 8. a disturbance that transfers energy from one place to another
- 9. highness or lowness of sound
- 13. the bending of a wave as it enters a new medium
- 14. the distance between a line through the middle of a wave
- 15. light part of the spectrum consists of em frequencies
- 17. is the lowest point
- 18. substance that a wave moves through