4th Grade Harcourt Unit E chapter 3 Sound
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| moving areas of high and low pressure | sound waves
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| a series of vibrations you can hear | sound
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| a shock wave produced by an object traveling faster than the speed of sound | sonic boom
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| a measure of the sound energy reaching your ear | loudness
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| a sound reflection | echo
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| a measure of how high or low a sound is | pitch
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| the speed at which sound waves travel | speed of sound
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| an area where air is pushed together | compression
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| shown by height on a wave diagram | amplitude
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| distance from one sound wave compression to the next | wavelength
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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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