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Chapter 1 II Vocab
Atmosphere
Term | Definition |
---|---|
Weather | The condition of earth's atmosphere at particular time and place |
Atmosphere | envelope of gasses surrounding earth |
Ozone | Three oxygen atoms combined |
Water Vapor | Water in the form of a gas |
Density | Amount of gas in a given volume of air |
Pressure | Force pushing on an area or surface |
Air Pressure | result of the weight of a column of air pushing down on an area |
Barometer | Instrument used to measure air pressure |
Mercury barometer | Barometer that is a glass tube partially filled with mercury and open at one end |
Aneroid barometer | Barometer that does not use liquid |
Altitude | Height in the atmosphere |
troposphere | lowest layer of the atmosphere in which weather occurs |
stratosphere | second layer of the atmosphere that contains the ozone layer. |
mesosphere | middle layer of the atmosphere |
thermosphere | the outermost layer of the atmosphere |
ionosphere | the bottom layer of the thermosphere |
exosphere | the top layer of the thermosphere |