Download Video: Sound

Video: Sound
Bill Nye (23 min)
Do NOT write on this page
1. Sound is__________or_________of air.
2. An oscilloscope lets us__________soundwaves.
3. An ear has a cup shape design to
4. Sound travels
__________
5. The signal gets sent to your
__________
sound.
through a metal pipe than it does in air.
____________so it can be interpreted.
6. Increased frequency of a wave (more waves per second) results in a
7. A lower frequency ( less waves per second) results in a
8. All music,
____________
____________
in the world, is from only
9. Sounds above 20,000 are called
____________.
____________
pitch.
pitch.
____________
notes.
Bats and whales are able to hear these
sounds even though we cannot.
10. The ultrasound is
____________ _____________
11. When you strike a key on the piano, that makes a
12. The vibration is what makes
13. Things
14.
inside the piano
_______.
________________.
________________
________________
______
for us to hear it.
at their natural
________________.
are specialized structures to catch sound.
15. When you speak, your vocal cords
______________
and this creates
_____________.