Sound Study Guide
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| water | Sound travels better in ___ than in air.
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| vacuum | Sound cannot travel in a ___ (outer space).
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| True | True or false: Sound travels faster along a solid instead of a liquid because the matter is denser.
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| echolocation | Sounds animals use to help them locate objects, such as bats and dolphins. These sounds cannot be heard by humans because of the high frequencies animals use.
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| crest | highest point of a sound wave
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| trough | lowest point of a sound wave
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| the distance from crest to crest | How are wavelengths measured?
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| vibrations | back and forth movements of matter
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| frequency | the number of a times a sound source vibrates in one second
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| lower | the lower the frequency, the ___ the pitch.
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| softer | the further away you are from the sound source, the ___ the sound becomes.
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| shortest | On stringed instruments, the highest frequencies are made by the ___ strings.
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| longest | On stringed instruments, the lowest frequencies are made by the ___ strings.
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| speed of sound | The ____ through a solid, liquid, or gas depends on how close the molecules are to each other in the material.
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
Vigilrs
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