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16 Cards in this Set
- Front
- Back
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List the four main layers from bottom to top. |
Troposphere, Stratosphere, Mesosphere, Thermosphere |
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List the four minor layers from bottom to top. |
Ozonosphere, Ionosphere, Exosphere, Magnetosphere |
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Which two minor layers are part of a main layer? |
Ionosphere, Exosphere |
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Which layers protect you? |
Ozonosphere, Mesosphere, Magnetosphere |
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What does air do in the troposphere as it cools and heats up? |
Creates convection currents |
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How is nitrogen important to our atmosphere? |
It dilutes oxygen and prevents rapid burning at the surface |
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How is argon important? |
Used as a preserver and in light bulbs and double pane windows |
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How is water vapor important? |
Keeps the atmosphere from being too dry |
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How is carbon dioxide important? |
Makes a blanket to prevent heat from escaping earth, plants need it to live |
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How is oxygen important? |
It is essential for respiration |
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What did volcanoes spew out in the early earth? |
Sulfur, Carbon Dioxide, and Water Vapor |
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How did oceans appear on earth? |
Water vapor condensed and fell to the surface. |
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What organisms first created oxygen? |
Cyanobacteria |
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What does ppm mean? |
Parts Per Million |
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How are the layers of the atmosphere identified? |
Using thermal characteristics, chemical composition, movement and density |
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Why does is not feel hot in the thermosphere? |
Because of the very thin atmosphere |
