Across
- 3. Unit of speed
- 5. Height of a wave
- 9. The end of life of a giant star
- 12. Formula for calculating force
- 13. Light bending in different mediums
- 14. Example of transverse wave
- 15. A substance that a wave passes through
- 18. Unit for measuring acceleration
Down
- 1. A change in velocity for slowing down
- 2. A push, pull or twist
- 4. When something is not moving in a distance - time graph
- 6. The area an object is heading to or going to
- 7. The beginning of a star
- 8. A change in velocity when speeding up
- 10. What is formed when a star is very massive or big enough
- 11. Example of a longitudinal wave
- 16. A substance that a wave passes through
- 17. Human hearing range (in hertz)