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aesSound5

TermDefinition
vibrations Back and forth motion that causes sound
solid Sound travels best through this state of matter.
compressions Areas of increased pressure; waves are close together
rarefactions Areas of decreased pressure; waves are spread apart
sound Form of energy that produces noise
frequency The amount of times an object vibrates over a given amount of time.
wavelength When labeling a sound wave, the distance from one wave to the next.
pitch The highness or lowness of a sound.
volume How loud or soft a sound is,
high If an object is vibrating fast, it will have a _____ pitch.
low If an object is vibrating slow, it will have a _____ pitch.
echolocation When animals like bats, whales, and dolphins send out sound waves to locate food, danger, or communicate with one another.
echo A reflect sound. When sound hits an object and bounces back.
amplitude How much energy is in sound.
percussion Type of instrument. This instrument is played by striking it with the hand or a mallet. It can also be shaken like a maraca.
string Type of instrument. This instrument produces sound by plucking or striking or by drawing a bow against tight strings.
woodwind Type of instrument. This instrument produces sound by blowing into the instrument.
slinky Tool used to show how sound travels.
tuning fork Tool used to hear vibrations.
gas Sound travels slowest through this state of matter.
Created by: room41