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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| The amount of energy in a sound, or the loudness of a sound | amplitude
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| How high or low a sound is; | pitch
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| Sound is a form of: | energy
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| Sound travels in: | compressional waves
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| How fast something vibrates | frequency
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| The distance on a wave measured from crest to crest | wavelength
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| Sound travels slowest through: | gases
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| Sound travels fastest through: | solids
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| The pitch of a sound is closely related to: | frequency
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| High pitch = | high frequency
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| Low pitch = | low frequency
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| High amplitude = | loud sound
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| Low amplitude = | soft sound
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| A sounds frequency is measured in: | hertz
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| The lowest frequency that humans can hear is: | 20 hertz
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| The highest frequency that humans can hear is: | 20,000 hertz
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| A sounds loudness, or intensity, is measured in: | decibels
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| Humans feel pain at ____________ decibels | 120
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| A reflected sound wave creates an: | echo
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| A place with NO matter, such as outer space | Vacuum
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| Bats and whales use _________________ to locate food that they cannot see | echolocation
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| Why do we see lightening before we hear thunder? | Light travels much faster than sound
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| Why does furniture, rugs, and carpet cut down echoes and noise in a house | Soft objects absorb sound
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| Which wave has more waves per second, a high frequency or low frequency sound | high frequency
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| Which wave is louder, a wave with a small amplitude or a high amplitude | high amplitude
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| Name several animals that can hear sounds with very high frequency | bats, dogs, cats, dolphin
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| The rapid back and forth movement of something | vibration
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| In order for sound to occur, something must: | vibrate
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| What is the thin membrane inside your ear that detects vibrations | eardrum
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| A compressional wave that moves outward from its source is: | sound
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| A disturbance moving through a medium such as a solid, liquid, or gas is a: | wave
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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.
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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:
MrLittle5
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