TEST 2/26 - Unit 4 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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| Frequency | The number of vibrations per second
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| Pitch | How high or low a sound is
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| Vibration | The back and forth movement of matter
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| Volume | The loudness of a sound
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| What causes sound? | Vibration
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| How is amplitude measured? | Amplitude is measured in Decibels
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| How can you tell if something has a loud amplitude? | A loud amplitude has a higher number in Decibels
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| Compare 2 strings on a guitar. The strings are the same length but one is thinner. | The thin one will make a higher pitched sound than the thick one
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| If two guitar strings have the same pitch when plucked, they must be _________________. | Vibrating at the same rate
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| Would a sound that has fewer vibrations per second have a higher pitch or a lower pitch? | A sound with fewer vibrations would have a lower pitch
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| What happens to the sound an object makes when its rate of vibrations decreases? | Its pitch becomes lower
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| Why does a baseball bat falling on the playground make a sound? | It causes vibrations in the air
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| What produces sound? | Causing an object to vibrate
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| Would a long, thick pipe on an organ make a low pitched sound or a high pitched sound? | A low pitched sound
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| How can you raise the pitch on a guitar string? | By tightening the string
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| One string on a guitar makes a lower pitched sound. What is true of that string? | It vibrates more slowly than the other string
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| If an object does not vibrate, it cannot produce ____________. | Sound
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| If you tighten a guitar string, what will happen to the pitch? | Its pitch will be higher
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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:
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