Sound
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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| The unit for measuring frequency is a(an)_____________ | hertz
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| An echo is caused by a(an)____________________ | reflection
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| A sound starts with a(an)__________________ | vibration
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| Loudness is measured in a unit called a(an)_____________ | decibel
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| Overtones affect the _________________ of a sound | quality
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| A sound travels as a(an)___________________ | vibration
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| A reflected sound is called a(an)____________ | echo
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| Sound tends not to bounce off carpets because of ____________ | absorption
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| When molecules bunch together, that's the _________ stage of a sound wave | compression
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| When molecules spread apart, that's the ___________ stage of a sound wave. | rarefaction
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| If the frequency of a musical note is increased, ______________ | the note gets higher
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| Echoes are the result of _______________ | reflection
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| The two parts of a sound wave are ___________ and ____________ | compression and rarefaction
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| The changing pitch of a moving siren is caused by ______________ | the Doppler effect
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| Two differences we hear in sounds are ___________ and _____________ | pitch and quality
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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.
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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:
slohrenz
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