Sound Flashcards
1
Q
What does sound waves require to work?
A
Particles
2
Q
What medium does sound travel fastest in?
A
Solids
3
Q
What medium does sound travel slowest in?
A
Gasses
4
Q
Why does sound travel faster in solids?
A
Because there are more particles to bounce off of.
5
Q
Can sound travel in a vacuum (no particles)
A
NO!
6
Q
How do you find the speed of sound?
A
Speed= distance➗time
7
Q
Hat is the range of human hearing?
A
20Hz to 20,000 Hz
8
Q
What re sounds called if they are below 20HZ?
A
Infrasound.
9
Q
What are sounds called if they are above 20,000Hz?
A
Ultrasound
10
Q
What is the top of a wave called ?
A
A peak
11
Q
What is the bottom of a wave called.
A
A trough
