Chapter 16 Science
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| Sound waves are made up of | chains of vibrating molecules
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| sound moves in a | longitudinal wave
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| A compression is a | High-pressure area of tightly packed molecules
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| A cycle is created by | a combination of a compression and rarefaction
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| oscilloscope | Measures sound waves
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| A rarefaction is a | Low-pressure area of loosely packed molecules
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| The reflection of sound waves off a hard surface can create an | echo
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| Soft surfaces.... sound waves | absorb
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| amplitude measures | the force of a compression and describes how loud a sound is
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| Pitch is determined by sound waves | Frequency
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| temperature affects the.... of sound waves | Speed
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| Sound waves travel farther through... media, such as water or steel | Dense
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| a series of compressions an d rarefactions traveling through a medium | sound wave
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| The height of a wave | amplitude
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| A measure of how many times an object vibrates per second | frequency
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| using echoes to find a location | echolocation
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| the unit in which sound Is measured | Decibel
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| how high or low a sound is | pitch
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| What boats use to locate objects under water | sonar
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| How loud or quite a sound is | volume
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| A change in pitch of sound when it starts to move towards or away from you | Doppler effect
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| A region of empty matter through which sound cannot travel | Vacuum
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| A sound wave that bounces off a surface | echo
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| The material through which a sound wave travels | Mediums
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| Speed of sound waves depend on.. | type of medium/density
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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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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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