Chapter 7 section 2
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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| air pressure | the weight of atmosphere pressing down on the earth
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| pressure | the continuous physical force exerted on or against an object by something in contact with it.
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| density | is a measure of mass per volume
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| aneroid barometer | a device for measuring atmospheric pressure without the use of fluids.
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| barometer | an instrument measuring atmospheric pressure, used especially in forecasting the weather and determining altitude.
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| mercury barometer | a barometer in which the weight of a column of mercury in a glass tube
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| altitude | the height of an object or point in relation to sea level or ground level.
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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:
sumayah
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