| A | B |
|---|
| Strait | a narrow stretch of water joining two larger bodies of water |
| Source | (of a river) place where a river or stream begins, often in the highlands |
| Sea | large body of water completly or partially surrounded by land |
| Prime Meridian | Line of the global grid running from the North Pole to the South through, Greenwich, England; starting point for measuring the degrees east or west longitude |
| Plain | area of level land, usually at low elevation and often covered with grasses |
| Peninsula | body of land jutting into a lake or ocean, surround the contintents |
| Ocean | one of the four major bodies of salt water that surround the continents |
| Mountain | land with steep sides that rises sharply from surrounding land; generally larger and more rugged than a hill |
| Meridian | one of many lines of the global grid running from the North Pole to the South Pole; used to measure degrees of longitude |
| Longitude | distance east or west of the Prime Meridian; measured in degrees |
| Latitude | distance north or south of the Equator, measured in degrees |
| Lake | a sizable inland body of water |
| Isthmus | narrow strech of land connecting two larger land areas |
| Island | land area, smaller than a continent, completely surrounded by water |
| Gulf | part of a large body of water that extends into a shoreline, generally larger and more deeply indented than a bay |
| Glacier | large, thick body of slow moving ice |
| Equator | imaginary line that runs aroudn the earth halfway between the North and South Poles; used as the starting point to measure degrees north and south latitude |
| Elevation | height above sea level |
| Delta | flat, low-lying land build up of soil carried downstream by a river and deposited at its mouth |
| Bay | part of a large body of water that extends into a shoreline, generally smaller than a gulf |
