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22 Cards in this Set
- Front
- Back
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How Many Layers are in the Atmosphere? |
Four |
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What are the Four most common gases in dry air? |
Nitrogen, Oxygen, Carbon Dioxide, Argon. |
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What substances combine to form Acid Rain? |
Nitrogen Oxides, Sulfur Oxides, Water. |
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Which Layer of the atmosphere protects Earth from ultraviolet rays? |
The Ozone Layer (Stratosphere.) |
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Photochemical Smog is caused when what hits chemicals in the air the air? |
Sunlight. |
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What unit of measurement measures air pressure? |
Inches or Millibars. |
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What percent of the atmosphere is oxygen? |
21% |
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What happens to the air pressure when the density decreases? |
The pressure Decreases. |
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What do you call harmful things in the air, water, or soil? |
Pollutants. |
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What is the most abundant gas in the atmosphere? |
Nitrogen. |
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The 4 Main Layers of the atmosphere are divided according to what? |
Classified by Temperature. |
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Bits of Carbon that enter the air when burning wood or coal. |
Soot. |
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Burning coal with sulfur can cause what? |
Acid Rain. |
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Warmest layer of the atmosphere? |
The Thermosphere |
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What layer of the atmosphere reflects radio waves? |
The Ionosphere (The Thermosphere) |
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What layer of the atmosphere contains weather? |
The Troposphere. |
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What layer of the atmosphere protects earth meteoroids? |
The Mesosphere. |
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Which gas varies between 0 and 5%? |
Water Vapor. |
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The amount of mass in a given volume is called what? |
Density. |
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What is the force per unit area? |
Pressure. |
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The Aurora Borealis occurs in what layer of the atmosphere? |
The Ionosphere (The Thermosphere) |
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What layer of the atmosphere do satellite orbit in? |
The Exosphere (The Thermosphere) |
