The number of times an object vibrates per second.
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25
What is the Doppler Effect?
A change in frequency due to moving toward or away from a sound wave.
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15
A classmate says that higher pitch music notes are irritating because they vibrate in your ear faster. Which part of that statement is fact and which is opinion?
Irritating= opinion; vibration speed= fact.
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10
How can we make sounds louder?
Using more energy (increasing the density of the particles in the compressions and decreasing it in the rarefactions).
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boom
Lose 50 points!
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fairy
Take points!
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25
fairy
Take points!
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banana
Go to last place!
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25
How does changing the medium of a sound change its amplitude?
The denser the medium, the less the amplitude and vice versa.