| A | B |
|---|
| mountain | land with steep sides that rises sharply from surrounding land |
| mountain peak | pointed top of a mountain |
| mountain range | a series of connected mountains |
| mouth (of a river) | place where a stream or river flows into a larger body of water |
| ocean | one of the four major bodies of salt water that surround the continents |
| ocean current | stream of either cold or warm water that moves in a definite direction through an ocean |
| parallel | one of the many lines on the global grid that circle the earth north or south of the Equator; used to measure degrees of latitude |
| peninsula | body of land jutting into a lake or ocean, surrounded on three sides by water |
| physical feature | characteristic of a place occurring naturally, such as a landform, body of water, climate pattern, or resource |
| plain | area of level land, usually at a low elevation and often covered with grasses |
| plateau | area of flat or rolling land at a high elevation, about 300-3,000 feet |
| Prime meridian | line of the global grid running from the North Pole to the South Pole through Greenwich, England; starting point for measuring degrees of east and west longitude |
| relief | changes in elevation over a given area of land |
| river | large natural stream of water that runs through the land |
| sea | large body of water completely or partly surrounded by land |
| seacoast | land lying next to a sea or ocean |
| sea level | position on land level with surface of nearby ocean or sea |
| sound | body of water between a coastline and one or more islands off the coast |
| source (of a river) | place where a river or stream begins, often in highlands |
| strait | narrow stretch of water joining two larger bodies of water |
| tributary | small river or stream that flows into a larger river or stream; a branch of the river |
| upstream | direction opposite the flow of a river; toward the source of a river or stream |
| valley | area of low land between hills or mountains |
| volcano | mountain created as liquid rock or ash erupts from inside the earth |
