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10 Cards in this Set
- Front
- Back
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Name an example of sound waves traveling.
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Dropping a rock into a puddle and seeing the ripple of effect of the rock
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A ________ is caused by an object that moves faster than the speed of sound.
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Sonic Boom
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The pitch of an instrument with strings can be affected by __________________________.
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the length of the strings
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An ______ will sound most like the original sound in a hallway.
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Echo
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Your brain interprets signals from _________ that affect the nerve cells.
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Tiny Hairs
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If a sounds pitch is high then the vibrating source is ________.
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moving quickly
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The farther away you are from a sound the ______________ it is.
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Softer
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Tge speed of ___________ is faster than the speed of __________.
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Light, Sound
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By cupping your hands around your mouth, you cna make sound travel _________ because you are _________________________.
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Farther, directing the sound waves.
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You need _______ energy to speack softly and you need _____ energy to speak loudly
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less, more.
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