Across
- 2. A course in which something moves
- 4. Distance between waves
- 8. This force runs electric motors
- 9. Movement or tendency to move towards the centre of gravity
- 11. laws of physics
- 13. The effect of hearing a higher frequency of sound as the source approaches
- 16. km/h is used to measure....
- 17. To go faster
- 18. Space is a....
- 19. To compress
Down
- 1. Running lengthways rather then across
- 3. Property of manner
- 4. Kilograms is a unit used to measure this
- 5. The rate in which something happens in a given time
- 6. of compression
- 7. The speed of something in a given direction
- 10. The maximum extent of vibration
- 12. To slow down
- 14. Strength of energy in a movement
- 15. A type of wave where the particles move up and down