| A | B |
| Tornado | A violently rotating column of air stretching from the cloud to the ground. |
| Meteorologist | A scientist who studies weather. |
| Isobar | lines on a weather map that connect places of equal pressure. |
| Climate | The characteristic weather conditions in a place over a long period. |
| Ocean currents | Streams of water that flow through the oceans in regular patterns. |
| Seasons | Period of the year associated with specific weather conditons. |
| Climate Zone | one of the major divisions in a system for classifying the climates of different regions based on characteristics they have in common. |
| Urban Heat island | The warmer body of air over a city. |
| Rain Shadow | The dry area on the downwind side of a mountain where very little moisture falls because the air has lost its moisture after it passed over the mountain. |
| Ice Age | A period of time during which surface temperatures drop significantly and huge ice sheets spread out beyond the polar regions. |
| Barometer | An instrument that measures air pressure. |