Bill Nye: Sound
https://www.schooltube.com/media/Bill%20Nye%20Sound/1_yef8ckqj
https://www.schooltube.com/media/Bill%20Nye%20Sound/1_yef8ckqj
0:20
Why do megaphones make people sound louder?
2:11
Our ears are shaped to
2:53
Sound is just
2:53
An oscilloscope is an instrument that
3:40
Sound travels faster through air then a solid like metal or brick.
5:38
Which of these represents low pitch sound?
5:38
Which of these represents high pitch sound?
8:22
Slinky's are great at showing how sound waves travel through air. What is the best description of how a sound waves travels through air?
8:22
When a sound wave bounces back, it is called..
8:22
Sound waves can travel through one another
9:16
What is the correct order of how you hear things?
Sound enters the outer ear
Which stimulates nerves that send signals to the brain
These bones then vibrate the fluid-filled inner ear
Which vibrates the three tiny bones in your ear.
Where it vibrates the ear drum
Travels to the middle ear
10:25
Speakers work by vibrating back and forth which sends sound waves to your ears.
12:07
A FASTER sound wave with a higher frequency has a pitch
12:07
A SLOWER sound wave with a higher frequency has a pitch
15:04
Our ears are unable to time sound waves.
16:20
Ultrasound machines turn sound into
16:57
A whisper dish collects spread out sound waves and sends them in one direction.
19:44
When something vibrates at its natural frequency, it is called
21:33
Sound and light are both forms of
21:33
Sound waves are caused by vibrations.