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AMS SOL 6.6 part 1
Question | Answer |
---|---|
Functions (jobs) of the atmosphere | control temperature, protect Earth from UV radiation and meteors |
5 layers of the atmosphere | Troposphere, Stratosphere, Mesosphere, Thermosphere, Exosphere |
gases in the atmosphere | 78% Nitrogen, 21% Oxygen, 1% trace gases |
atmosphere | an envelope of gases that surrounds a planet |
altitude | distance above sea level |
air pressure | the weight of a column of air pushing on an area |
ozone | O3 molecules in the stratosphere that absorb UV radiation |
Ionosphere | part of the thermosphere that helps with radio transmission at night |
CFC's | Chloroflourocarbons; chemicals that create holes in the ozone layer |
UV radiation | harmful sunlight that causes skin cancer |
Troposphere | layer that contains all life, water, and weather |
Stratosphere | layer that contains ozone |
Mesosphere | layer where meteors normaly burn up |
Thermosphere | hottest layer |
Exosphere | layer that borders with space where satellites orbit |
Greenhouse Effect | certain gasses in Earth's atmosphere trap heat |
Global Warming | the average temperature of Earth has been rising over the past 100 years |
Carbon Dioxide | the greenhouse gas that Scientists are most concerned about |
human activities that contribute to global warming | burning fuel, generating electricity, deforestation |
human activities that can lower CO2 levels | conserve electricity and fuel, plant trees |
dangerous effects of global warming | glaciers melt which leads to flooding, tropical waters become too warm for living things |