Across
- 5. Height of wave measured from equilibrium
- 6. Object that allows some light to travel through
- 7. Peak of a wave
- 9. Object that blocks all light travelling through
- 10. Object that lets all light travel through
Down
- 1. Balance/resting position
- 2. A vibration
- 3. Number of times a wave cycles in one second
- 4. An object emitting light because of it’s heat
- 8. Bottom of a wave