Sound Flashcards
1
Q
Sound
A
Waves that are produced when particles vibrate. Sound waves need a medium to travel through (solid, liquid or gas).
2
Q
Rarefaction
A
A region in a longitudinal wave where the particles are furthest apart.
3
Q
Compression
A
A region in a longitudinal wave where the particles are closest together
4
Q
Pinna
A
The skin and cartilage on the outside of the body, on the side of the head. The pinna is part of the outer ear.
5
Q
Ear canal
A
Sound travels through this from the pinna, to the eardrum. This is a part of the outer ear.
6
Q
Echo
A
The sound heard after being reflected off a hard surface.
7
Q
Reverberation
A
The length of time a sound can be hear for.
8
Q
SONAR
A
SOund Navigation And Ranging
