Sound Waves
Measuring Sound
Sound Moves
Etc.
This and That
100
What does sound travel through?
What is matter?
100
This term refers to the number of waves that occur during a second.
What is frequency?
100
What happens when a sound wave hits a soft surface?
It is absorbed.
100
Sound travels the fastest through __________?
What is a solid?
100
Two animals that use echolocation
What are bats and whales [and/or porpoises]?
200
In a sound wave, this is an area of tightly packed molecules.
What is compression?
200
A sound wave with a high frequency has a high ________.
What is a pitch?
200
The term used to describe when a sound wave hits a hard surface and bounces back
What is an echo?
200
Two straight elastic-like strings responsible for making sound
What are vocal chords?
200
Who can hear higher frequencies, animals or humans?
What is an animal?
300
In a sound wave, this is an area of loosely packed molecules.
What is rarefaction?
300
The distance between two compressions of a sound wave
What is a wavelength?
300
If you were to shout down from the top of the Grand Canyon, you would hear the sound of your voice come back to you.
What is an echo?
300
Sounds are heard by these structures on humans?
What are ears?
300
In what direction does sound travel?
What is ALL directions?
400
This is the rapid back-and-forth motion of molecules.
What is vibration?
400
A low frequency will have a ______________ pitch.
What is low?
400
The state of matter in which sound is transmitted slowest
What is a gas?
400
What do bats and whales use to locate food?
What is echolocation?
400
What ships and submarines use to detect and locate underwater objects
What is SONAR?
500
What is the top of a sound wave called?
What is the crest?
500
What will have a higher pitch, a tuba or a whistle?
What is a whistle?
500
What can sound not travel through?
What is space [or a vacuum]?
500
What is the bottom of a sound wave called?
What is a trough?
500
The bigger the instrument, the _________ the pitch.
What is lower?
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