Across
- 2. how fast a wave travels from one point to another
- 7. 2 waves meet and cancel each other out
- 11. wave bounces back after hitting surface
- 12. frequency of wave changes due to source of the wave and the observer
- 13. 2 waves meet and combine
- 14. wave bends or spreads out as it encounters an obstacle or passes through opening
- 15. particles move perpendicular to direction of wave
Down
- 1. particles move parallel to wave direction
- 3. maximum displacement or height of wave from resting position
- 4. energy that is transmitted through space in form of electromagnetic waves
- 5. how many cycles or vibrations a wave completes in a certain time period
- 6. substance or material through wave travels
- 8. ranges from radio waves to gamma rays
- 9. waves change direction as it passes from one medium to another
- 10. distance between 2 corresponding points on a wave