Across
- 2. Distributing things over a wide area
- 6. a change in velocity
- 10. sowing down
- 11. High point of a wave
Down
- 1. study of motion and energy
- 3. radiation with wavelengths longer than those of visible light
- 4. The third letter of the Greek alphabet
- 5. push or pull
- 7. change in position
- 8. low point of a wave
- 9. the SI unit of length