Key Terms for chapter 13
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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| Weather | The condition of Earth's atmosphere at a particular time and place.
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| Atmosphere | The mixture of gases that surrounds Earth.
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| Ozone | A form of oxygen that has three oxygen atoms in each molecule instead of the usual two.
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| Water Vapor | The invisible, gaseous form of water.
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| Temperature Inversion | A phenomenon that results when a layer of warm air becomes trapped between two cooler layers and is prevented from escaping.
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| Acid Rain | Rain the is more acidic than usual.
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| Air Pressure | A force that is the result of the weight of a column of air pushing down on an area.
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| Barometer | An instrument used to measure changes in air pressure.
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| Altitude | Elevation above sea level.
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| Pollutant | A harmful substance in the air,water, or soil.
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| Density | The measurement of how much mass of a substance is contained in a given volume.
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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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