| A | B |
|---|
| archipelago | islands clustered together |
| atoll | coral reef enclosing a lagoon |
| basin | area of land that is lower than the surrounding land |
| bay | area of an ocean, sea, lake, etc., that extends into the land |
| Arctic Circle | imaginary line about 60 degress north of the equator |
| canyon | deep, narrow, steep-sided valley, often with a river on its floor |
| cape | piece of land extending beyond the rest of the shoreline into the ocean |
| climate | all the weather that occurs in an area over a long period of time |
| continent | huge land mass |
| country | any independent nation with a name and a boundary |
| delta | triangular-shaped area of small islands of sediment that divide a river into smaller parts at the mouth |
| desert | dry area that receives such a small amount of percipitation that little or no plant or animal life can surivive there permanently |
| equator | imaginary line that circles Earth halfway between the poles |
| geography | study of the features of the earth and of the places where plants and animals live and how they affect and are affected by their environment |
| glacier | huge mass of slowly moving ice |
| gulf | large part of an ocean that extends into the land |
| hemisphere | one half of the earth |
| hill | land mass that rises to a summit no more than 1,000 feet above the surrounding area |
| island | land completely surrounded by water |
| isthmus | narrow neck of land connecting two larger areas of land |
| lake | a body of water surrounded by land |
| mountain | land that rises higher than the hills above the surroounding area |
| mouth | the lower end of a river where it flows into another body of water |
| ocean | huge area of salt water |
| peninsula | area of land almost surrounded by water |
| plain | large area of flat or gently rolling, treeless land |
| plateau | large area of level land that is higher than surrounding land |
| poles | northernmost and southernmost points on the earth |
| prairie | flat or rolling land with few trees but covered with grasses |
| precipitation | rain, hail, sleet, snow, and other types of moisture that fall to the earth |
| river | large amount of flowing fresh water |
| savanna | dry area of flat or rolling land that supports grasses but few trees |
| sea | part of an ocean that has been identified by geographers as a distinct body of water with its own name |
| steppe | large area thet experiences very hot and very cold temperatures and little percipitation but supports hardy grasses and other plants |
| strait | narrow body of water that connects two larger bodies of water |
| summit | highest point on a hill or mountain |
| swamp | area of land that is very wet year round and in which trees and shrubs grow |
| tributary | stream or river that flows into a larger stream or river |
| tundra | treeless plain close to or above the Arctic Circle |
| valley | long, low-lying area usually located between ranges of hills or mountains |
| volcano | cone-shaped mountain formed by lava and/or other materials that have erupted from the interior of the earth |
