| A | B |
|---|
| geography | The study of the Earth and of the ways people live and work on it. |
| absolute location | The exact location of a place on the Earth's surface. |
| relative location | The position of a place in relation to other places. |
| transportation | The movement of goods and people. |
| communication | The movement of ideas and information. |
| elevation | The height above sea level. |
| core | Central part of the Earth. |
| crust | Outer layer of the Earth. |
| mantle | The part of the Earth beneath the crust and above the core. |
| tectonic plates | Slow-moving sections of the Earth. |
| continental drift | The theory that the continents move. |
| volcanoes | Openings in the Earth's crust through which, when active, steam, ashes, and lava are forced out. |
| earthquakes | Shaking or sliding of a portion of the Earth's crust. |
| erosion | Wearing away by wind, water, and ice. |
| climate | Average weather condition at a place over a period of time. |
| precipitation | Falling moisture such as rain or snow. |
| natural resources | Materials found in nature. |
| archaeologists | People who study ruins and artifacts. |
| anthropologists | People who study human beings. |
| archaeology | Study of remains of past human cultures. |
| artifacts | Products of human skill. |
