Glossary
A
- amplitude
- - the pressure put out by sound or also known as volume
C
- cochlea
- - A liquid filled part of the ear which helps with hearing and balance
- crest
- - The highest part of a wave
D
- decibels
- - The unit of measuring the loudness of a sound
- device
- - Tool or equipment
- Doppler
- - A scientist who discovered why the pitch changes as a sound passes an observer
E
- echo
- - The reflection of sound off of a solid such as a canyon wall
- echolocation
- - The use of echoes to navigate
- electrocardiogram
- - The use of sound waves to get readings about the health of a heart
- energy
- - Activity or power
- extracorporeal shock waves
- - The use of sound waves to shatter kidney stones inside the kidney
F
- frequency
- - The distance between two sound waves also known as pitch
H
- humidity
- - Amount of water vapor in the air
M
- matter
- - Anything that has mass and takes up space
- molecules
- - smallest form of matter consisting of one or more atoms
N
- navigate
- - To move around
P
- pitch
- - The high or low of a sound
- properties
- - The qualities of matter - size, color, temperature, etc
S
- sonar
- - The use of sound waves to identify underground or underwater objects
T
- trough
- - The lowest part of a wave
U
- ultrasonic cleaners
- - The use of inaudible sound waves to break up plaque on the teeth
- ultrasound
- - That part of sound in which the frequency is too high for the human ear
V
- vacuum
- - An space filled with nothing, not even air
- vibrates
- - To move rhythmically in a pattern
