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6 Cards in this Set
- Front
- Back
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Atmosphere |
Layer of gas that surrounds the earth. |
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Troposphere |
Bottom layer of the atmosphere, extending from ground level up to about 16 kilometers above the earth. |
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Stratosphere |
Second layer of the atmosphere; includes the ozone layer. |
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Mesosphere |
Third layer of the atmosphere; the coldest layer. |
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Thermosphere |
Outermost layer of the atmosphere; includes most of the ionosphere. |
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Ionosphere |
Layer of the atmosphere containing ions; or electrically charged particles. |
