| A | B |
| acid precipitation | rain, sleet, or snow that contains a high concentration of acids |
| air pollution | the contamination of the atmosphere by the introduction of pollutants from human and natural sources |
| air pressure | the measure of the force with which air molecules push on a surface |
| atmosphere | a mixture of gases that surrounds a planet or moon |
| convection | the transfer of thermal energy by the circulation or movement of a liquid or gas |
| Coriolis Effect | the apparent curving of the path of a moving object from an otherwise straight path due to the Earth's rotation |
| global warming | a gradual increase in average global temperature |
| greenhouse effect | the warming of the surface and lower atmosphere of Earth that occurs when water vapor, carbon dioxide, and other gases absorb and reradiate thermal energy |
| jet stream | a narrow belt of strong winds that blow in the upper troposphere |
| mesosphere | the layer of the atmosphere between the stratosphere and the thermosphere and in which temperature decreases as altitude increases |
| polar easterlies | prevailing winds that blow from east to west between 60 degrees and 90 degrees latitude in both hemispheres |
| radiation | the transfer of energy as electromagnetic waves |
| stratosphere | the layer of the atmosphere that is above the troposphere and in which temperature increases as altitude increases |
| thermal conduction | the transfer of energy as heat through a material |
| thermosphere | the uppermost layer of the atmosphere, in which temperature increases as altitude increases |
| trade winds | prevailing winds that blow northeast from 30 degrees north latitude to the equator and that blow southeast from 30 degrees south latitude to the equator |
| troposphere | the lowest layer of the atmosphere, in which temperature decreases at a constant rate as altitude increases |
| westerlies | prevailing winds that blow from west to east between 30 and 60 degrees latitude in both hemispheres |
| wind | the movement of air caused by differences in air pressure |