Chapter 4 Vocabulary
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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| troposphere | The bottom layer of the Earth's atmosphere.
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| thermosphere | The upper layer of the atmosphere where temperatures are extremely high.
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| mesosphere | The layer of the atmosphere where air is thin and most meteors burn up.
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| stratosphere | The layer of the atmosphere in which ozone is present.
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| air mass | A large body of air that has the same characteristics throughout.
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| air pressure | The weight of air pressing down on an area.
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| relative humidity | A comparison of the actual amount of moisture in the air to the greatest possible amount that could be in the air at the same temperature and pressure.
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| front | The border between two air masses that collide.
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| forecast | A prediction of what the weather will be like in the future.
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| station model | An arrangement of symbols and numbers that show the weather conditions recorded at a weather station.
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| surface map | A map that includes station models and information about fronts and about centers of high pressure and low pressure.
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| weather balloon | A balloon released into the atmosphere that carries a package of instruments that records data about temperature, air pressure, and humidity.
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| weather map | A map that shows data about recent weather conditions across a large area.
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| thunderstorm | A very strong storm with a lot of rain, thunder, and lightning.
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| hurricane | A large, spiraling storm system that can be as much as 600 km across.
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| tropical storm | The stage of hurricane development when the winds of a tropical depression reach a constant speed of 63 km/hr (39 mph).
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| tornado | An intense windstorm that often forms within a severe thunderstorm.
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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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