| A | B |
|---|
| troposphere | layer where weather occurs |
| stratosphere | contains the ozone layer |
| mesosphere | middle layer; where metors are found |
| thermosphere | known for its high temperatures;thickest layer |
| exosphere | last layer of the atmosphere; where shuttles orbit Earth |
| ionosphere | contains electrically charged particles; found in the mesosphere and thermosphere |
| atmosphere | thin layer of air that forms a protective covering around the air |
| therm- | prefix that means heat |
| tropo- | prefix that means changing |
| exo- | prefix that means outer |
| meso- | prefix that means middle |
| strato- | prefix that means layer |
