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10 Cards in this Set
- Front
- Back
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vibration
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a back and forth motion
All sound begins with a vibration. |
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sound wave
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an area of crowded particles followed by widely spaced particles (sound waves move out in all directions from the source of a vibration
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echo
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a reflected sound
surfaces reflect sound causing it to repeat |
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wavelength
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the distance from the peak of one wave to the peak of the next
(the distance from one area of crowded particles to the next) |
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frequency
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the number of vibrations a sound source makes in a given amount of time
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pitch
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the highness or lowness of a sound
(high sounds have high frequencies - low sounds have low frequencies. |
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amplitude
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the amount of energy in a sound wave
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volume
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the loudness of a sound
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How is sound produced?
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Sound is produced when energy causes particles to vibrate.
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Can a sound wave move through water?
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YES. Sound waves can pass through solids, liquids, and gases.
FACT: Sound cannot travel through a vacuum (outer space) |
