Sound Flashcards
(8 cards)
1
Q
Frequency is measured in _________.
A
Hertz
2
Q
Sounds cannot travel through a _________
A
Vacuum
3
Q
How does sound travel through air?
A
Vibrating air Particles
4
Q
What is an echo
A
A reflected sound wave
5
Q
What is a Hertz
A
Hertz is the number of vibrations or waves per second.
6
Q
What do sounds travel fastest through
A
Solids
7
Q
How is sound produced?
A
Sound is produced when an object vibrates.
8
Q
Why cant sound travel through a vacuum?
A
Because it needs particles to transfer the noise.
