| A | B |
|---|
| air pressure | A force that is the result of the weight of a column of air pushing down on an area |
| aneroid barometer | an instrument that measures the changes in air pressure without using a liquid. |
| atmosphere | the layer of gases that surrounds Earth |
| barometer | an instrument used tomeasure changes in air pressure |
| conduction | the direct transfer of heat from one substance to another substance that it is touching |
| convection | the transfer of heat by the movement of a fluid (gas or water) |
| exosphere | the outer layer of the thermosphere, extending into space. |
| greenhouse effect | the process by which heat is trapped in the atmosphere forming a "blanket" around Earth |
| mesosphere | the layer of the atmosphere where most meteoroids burn up |
| radiation | the direct transfer of energy by electromagnetic waves |
| stratosphere | the layer of the atmosphere where the ozone layer is located |
| thermosphere | the outer most layer of the atmosphere |
| troposphere | The lowest layer of the atmosphere where weather occurs |
| ultraviolet radiation | a form of energy from the sun that causes sunburn |
| infrared radiation | a form of energy from the sun that is not visible but can be felt as heat |
