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Atmosphere
Question | Answer |
---|---|
most abundant gas in the atmosphere | nitrogen |
measure of the heat energy of molecules as they move | temperature |
condition that exists in the atmosphere including temperature, air pressure, wind, moisture, clouds and rain | weather |
force caused by the weight of the air on an object due to the earth's gravitational attraction. | air pressure |
caused by the difference in air pressure | wind |
The amount of moisture in the atmosphere | humidity |
water returning to earth as snow, rain, sleet or hail | precipitation |
temperature in degrees Celsius at which pure water boils | 100 degrees |
temperature in degrees Celsius at which pure water freezes | 0 degree |
temperature in degrees Fahrenheit at which pure water boils | 212 degrees |
temperature in degrees Fahrenheit at which pure water freezes | 32 degrees |
temperature in Celsius at which pure water changes from liquid to gas. | 100 degrees |
temperature in Fahrenheit at which pure water changes from liquid to gas. | 212 degrees |
changing a liquid to a gas | evaporation |
changing a gas to a liquid | condensation |
water that forms on the leaves of plants and other materials when the temperature of the air cools so that it cannot hold as much water. | dew |
the average of all the weather conditions for an area over a period of time . | climate |
the three climate zones | tropical, temperate and polar |
three main climatic factors | sunlight, altitude and water areas |
the second most abundant gas in the atmosphere | oxygen |
the third most abundant gas in the atmosphere | argon |