Across
- 3. Number a waves that pass in a minute
- 6. Energy transfer
- 8. A physical substance
- 9. The unit of frequency
- 11. Highest part of wave
- 13. Moves energy
- 14. The waves height from resting point to peak
- 15. Area where and object is
- 16. A set of related ideas
- 17. Pushing or pulling upon a object
- 20. The bending of light or other waves
Down
- 1. A source of illumination
- 2. An image seen in a mirror or shiny surface
- 4. Pressing or squeezing something
- 5. A idea of how something works
- 7. A form of electromagnetic radiation
- 10. Energy or particles from source that travel
- 12. Distance between waves
- 18. Lowest point of a wave
- 19. The ability to work