Section 1 Characteristics of the Atmosphere
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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| What are the 3 physical states of water in the atmosphere? | water droplets (liquid), snow and ice crystals (solid), and water vapor (gas).
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| How is the atmosphere held around the earth? | By gravity.
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| Where is air pressure the strongest? | At the earth's surface.
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| As altitude increases, air pressure ______________. | Decreases.
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| Which layer of the atmosphere is closed to the earth, is the densest layer containing 90% of the atmosphere's total mass, and almost all of the water vapor, clouds, pollution, weather and life forms exist here? | Troposphere.
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| Which layer of the atmosphere are layered, air is thin, contains little moisture, and the ozone layer is found here? | Stratosphere
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| The __________________________ protects life on Earth by absorbing harmful ultraviolet rays and warming . | Ozone layer.
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| Which layer is considered the middle layer of the atmosphere and is the coldest layer? | Mesosphere.
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| Which layer is the uppermost atmospheric layer with hot temperatures but does not feel hot? | Thermosphere.
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| What are electrically charged particles called? | Ions.
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| Ions are found in the ionosphere. Where is the ionosphere located? | Thermosphere.
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