Across
- 1. Found in hospitals
- 6. A sound wave is this
- 9. Heat
- 10. Ocean _ _ _ _ _
- 12. Distance between two crests/troughs
- 14. Toothpaste brand
- 15. Found in kitchens to heat up food
Down
- 2. Distance between crest or trough from the rest position
- 3. Measured in hertz
- 4. Lamps produce this
- 5. Made Bruce Banner the Hulk
- 7. The sun makes these rays
- 8. Looks like an ocean wave
- 11. Found in cars
- 13. Horses drink out of this