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Atmosphere
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| Question | Answer |
|---|---|
| Weather | The condition of Earths atmosphere at a particular time and place |
| atmosphere | The envelope of gases that surrounds earth |
| water vapor | Water in the form of gas |
| density | The ratio of the mass substance to its volume |
| air pressure | A pressure caused by the weight of a column of air pushing down an area |
| barometer | A instrument used to measure in changes in air pressure |
| mercury barmeter | An instrument that measures changes in air pressure consisting of a glass tube partially filled with mercury with its open end resting in a dish of mercury |
| aneroid barometer | An instrument that measures changes in air pressure without using liquid |
| altitude | Elevation above sea level |
| troposphere | The lowest layer of Earth's atmosphere |
| stratosphere | The second lowest layer of Earth's atmosphere |
| mesosphere | The layer of Earths atmosphere immediately above the stratosphere |
| thermosphere | The outer most layer of Earths atmosphere |
| ionosphere | The lowest part of the thermosphere |
| exosphere | The outer layer of the thermosphere |
| electromagnetic waves | A wave that can transfer electric and magnetic energy through the vacuum of space |
| radiation | The transfer of energy by electromagnetic waves |
| infrared radiation | electromagnetic waves with wavelengths that are longer than visible light but shorter than a microwave |
| ultraviolet radiation | electromagnetic waves with wavelanghts that are longer than visible light but longer than x-rays |
| scattering | Reflection of light in all derections |
| greenhouse effect | Gases in that atmosphere that trap energy |