| A | B |
|---|
| weather | The condition of the bottom layer of the earth's atmosphere in one place over a short period of time. |
| atmosphere | A multilayered band of gases, water vapor, and dust above the earth. |
| climate | Weather patterns that an area typically experiences over a long period of time. |
| rotation | The earth spinning on its axis like a top. |
| revolution | One complete orbit of the earth around the sun. |
| precipitation | All forms of water that fall from the atmosphere to the earth's surface. |
| continental climate | Warm and hot summers, and cold, snowy winters. |
| deciduous | Trees that shed their leaves during one season. |
| savanna | Huge tropical grasslands. |
| tundra | An area that is always cool or cold. |
| permafrost | A layer of soil just below the surface that stays permanently frozen. |
| coniferous | A type of tree that carries cones and needles. |
