Bill Nye Sound Waves

1. Sound is _____ vibrations of _____.

2. The human ____ is like a ___.

3. An oscilloscope lets us see ___ in the air.

4. Sound travels better in 18x faster in ___.

5. A slinky is perfect to help us see how ___ waves travel through the ____

6. Waves ___ when they hit a barrier

7. An ____ is a sound wave hits a barrier and comes back to you. ( reflection )

8. The ear sends ____ to the brain

9. The ____ _____ vibrates to send messages to the brain.

10. Higher pitch _____ ____

11. Lower pitch ____ _____

12. How many ear bones are in your inner ear? ___

13. Ultrasound send ___ of sound waves that are turned into a __

14. What is it called when something vibrates at its natural frequency ____

15. Draw a sound wave: