10.8 Sound energy Flashcards
1
Q
Movement that is repeated and fast
A
vibrations
2
Q
reduction of volume
A
compression
3
Q
the air molecules that are being moved because of compression
A
rarefactions
4
Q
vibrations of particles in the air
A
sound waves
5
Q
the amount o vibrations per second
A
frequency
6
Q
the unit of frequency written as Hz
A
hertz
7
Q
how high or low the sound waves are. this depends on the frequency of the air molecules
A
pitch
8
Q
the distance between neighbouring sound waves
A
wavelength
9
Q
the maximum distance that sound can travel from it’s original location
A
amplitude
10
Q
sound being reflected from hard objects
A
reverberation
