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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 |