Across
- 3. - you get this from caffeine
- 4. - xrays do this with radiation
- 6. - opposite of shallow
- 7. - a black light is an example of this
- 9. - Sponges do this with liquids
- 11. - these are good for surfing
- 12. - corresponding points on a wave
- 14. - I pass through a door
- 16. - mirrors do this
- 17. - a way to classify something
Down
- 1. - the sun is this
- 2. - how often something occurs
- 5. - this is made of atoms together
- 8. - imagination
- 10. - opposite of dark
- 12. - the anatomy of a wave
- 13. - the approval of something
- 15. - anything with weight
