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?
Travels to the middle ear
Which stimulates nerves that send signals to the brain
Sound enters the outer ear
Where it vibrates the ear drum
These bones then vibrate the fluid-filled inner ear
Which vibrates the three tiny bones in your 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.