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11 Cards in this Set
- Front
- Back
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What happens to sound if we change the speed of its vibrations?
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The pitch changes.
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How do we make a soft sound?
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By striking an object lightly.
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What happens when sound waves travel slowly?
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The pitch is low.
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What happens when sound waves travel quickly?
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The pitch is high.
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How can we describe sounds we hear?
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By pitch
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Can vibrations pass through solids, liquids,and gases?
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yes
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What makes sound?
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Vibrations
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How do we make a loud sound?
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By striking an object hard.
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How do you change the pitch of a sound we hear?
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Change how fast an object vibrates.
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Give an example of a vibration.
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Humming, strumming a guitar, plucking a rubber band, etc.
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What are the invisible waves called that are caused by an object moving back and forth quickly?
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Vibrations
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