Waves
Matter
Instruments
Vocabulary
Miscellaneous
100
The top of a wave.
What is the crest?
100
The matter through which sound waves travels the slowest.
What is gas?
100
These vibrate as we speak.
What are vocal chords?
100
Vibrations that are carried through air, water, etc.
What is sound?
100
Animals which use echolocation to fly safely.
What are bats?
200
The bottom of a wave.
What is the trough?
200
The matter through which sound waves travels the fastest.
What is solids?
200
The unit used to measure the loudness or sound.
What is decibel?
200
The repetition of a sound made when sound waves reflect from a distant surface.
What is an echo?
200
A toy that is a good model of a compression wave.
What is a slinky?
300
This describes how loud or quiet a sound is.
What is volume?
300
Where sound cannot travel.
What is a vacuum?
300
These vibrate in order to create sound from a guitar or piano.
What are strings?
300
The number of vibrations per second of an alternating sound?
What is frequency?
300
An echo machine used by ships.
What is sonar?
400
The amount of energy in a sound wave.
What is amplitude?
400
The order (slowest to fastest) for sound waves to travel.
What is gas, liquid, and solid?
400
Daily Double: The three things that can cause a change in pitch.
What is length, thickness, or size?
400
The distance between two compressions or rarefractions.
What is wavelength?
400
These cause sound waves.
What are vibrations?
500
Part of a sound wave where molecules are pushed together.
What is compression?
500
Daily Double: Matter (solid, liquid, or gas)
What is needed for sound to travel?
500
Percussion, strings, woodwind, electronic, and brass.
What are the classifications of instruments?
500
The rate of speed at which vibrations are produced that determines how high or low the sound will be.
What is pitch?
500
Where molecules are spread out.
What are rarefractions?
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