waves and sounds
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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| frequency of sound | tells you how fast the pressure oscillares.
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| pitch | the property of a sound determined by the frequency of the waves producing it.
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| decibels | the dimensionless unit of a logarithimic scale for expressing the relative intensity of sounds.
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| speaker | a device that is speciially designed to reproduce sounds accurately.
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| acoustics | the science and technology of sound.
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| microphone | a device that transforms a sound wave into an electrical signal with the same pattern of oscilllation.
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| stero | a method of sound reproduction involving multiple speakers to approximate the spatial distribution of the original sound
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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:
marquette bell
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