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24 Cards in this Set
- Front
- Back
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Vibration |
A back-and-forth motion |
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Soundwave |
A wave that transfers sound so matter by spreading out from a vibration |
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Wave length |
From the top of one wave to the top of the next |
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Frequency |
The number of wavelengths that pass a certain point in an amount of time |
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Pitch |
The Highness or lowness of a sound as determined by its frequency |
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Amplitude |
A measure that relates to the amount of energy in a sound wave |
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Volume |
A measure of how much space matter takes up |
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Sound begins with |
Vibration |
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The vibration forms a |
Soundwave |
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The sound wave is a |
Wave that transfers sound through matter |
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How do sound waves move |
from a vibration in all direction a sound wave does not move up and down |
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Explain the process of how is sound wave moves |
First energy from a vibration causes air particles to move then the air particles bump into each other each other some air particles are crowded together and some are spaced apart. The air particles do not change |
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What does sound travel through |
Air solids liquids and gases |
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What does sound travel the worst in |
Gas |
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Does sound travel faster or slower through a liquid |
Faster |
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What can sound not travel through |
A vacuum |
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Does a vacuum contain matter or does it not |
It does not contain matter |
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What happens when sound waves reach your ear? |
The waves carry sound energy to tiny organisms in the air what do they do they make them vibrate |
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What is the order of vibration |
Eardrum, bones of the middle ear hammer, anvil, and stirrup, fluid and hair cells in the inner ear, nerves to the brain |
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How do sounds differ |
each sound wave has a wavelength and frequency |
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How can you Change a string instruments pitch |
You can change it by changing the the strings making it thinner shorter or tighter that vibrate more quickly |
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The amount of energy in a sound wave is related to what |
Its amplitude! |
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What is sonar |
Technology that uses sound ways to the detect underwater objects |
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What kind of things can we use sonar to measure |
Are we can use sonar to measure the depth of to find schools of fish, too bad the ocean floor, and to search for shipwrecks or hazards |
