Sound I
Sound II
Sound III
Sound IV
Sound V
100
Regions of a material that have many molecules squeezed together.
What is compression.
100
How high or low a sound is.
What is pitch.
100
Material through which sound travels.
What is medium.
100
How sounds are made.
What is objects vibrating.
100
Sound waves vibrate the medium in the ______ direction that the energy moves.
What is same.
200
A series of compressions and rarefactions moving through a medium.
What is sound.
200
Sound travels fastest through a __________than it travels through a liquid or gas.
What is solid.
200
Number of wave peaks that pass each second.
What is frequency.
200
The higher the frequency or pitch of a soundwave, the more _______ pass in a period of time.
What is peaks.
200
Finding objects using echos.
What is echolocaction.
300
The bouncing of a sound wave off a surface.
What is reflection.
300
When sound hits flat, firm surfaces, much of it is _______.
What is reflected.
300
Sound cannot travel through a _________, which is a region of space that contains no matter.
What is vacuum.
300
Height of a sound wave.
What is amplitude.
300
When sound hits soft, thick, or uneven materials, much of the sound is ___________.
What is absorbed.
400
Space that contains few or no molecules.
What is vacuum.
400
A series of rarefactions and compressions traveling through a medium.
What is sound.
400
To increase the pitch of a musical instrument, you need to ___________ the part that vibrates.
What is shorten.
400
A change in frequency due to moving toward or away from an object.
What is Doppler effect.
400
How sounds move from one place to another.
What is sound waves.
500
The loudness of a sound depends on the sound waves _____________.
What is amplitude.
500
The reflection of sound waves.
What is echo.
500
A system that works like echolocation by sending out sound waves that reflect off of objects.
What is sonar.
500
Sound would travel most quickly through which object: air, wood, outer space or water.
What is wood.
500
Sound is measured in ______________.
What is decibels.
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