10.8 Sound Flashcards
1
Q
vibrations
A
repeated fast, back-and-forth movements
2
Q
compression
A
air particles closer together than usual that then transfer sound energy
3
Q
rarefactions
A
air particles further apart than usual
4
Q
sound waves
A
vibrating of particles in the air
5
Q
frequency
A
number of vibrations in one second
6
Q
hertz (Hz)
A
It is the measurement of frequency
7
Q
pitch
A
The frequency of a sound determines
8
Q
wavelength
A
distance between two neighbouring crests of a wave.
9
Q
amplitude
A
maximum distance that a particle moves away from its undisturbed position
10
Q
reverberation
A
longer-lasting sound caused by repeated reflection from hard surfaces
