| A | B |
|---|
| archipelago | a group of many islands |
| canal | a waterway dug across land through which ships can pass |
| canyon | a deep, narrow valley with high steep sides |
| cape | a point of land extending into a body of water |
| cliff | a steep slope of rock or soil |
| dam | a wall built across a stream |
| fork | the place where a strem or rover joins another river |
| glacier | a huge mass of ice that moves slowly down a mountain |
| harbor | a sheltered area of water where ships can anchor safely |
| highland | an area of mountains, hills or plateaus |
| hill | a raised part of the earth's surface |
| iceberg | a large mass of ice flaoting in the ocean |
| island | an area of land completely surrounded by water |
| lake | a large body of water surrounded by land |
| mountain | a raised part of the earth's surface with a pointed or rounded top |
| mountain range | a row of connected mountains |
| ocean | the great body of salt water that covers almost three-fourths of the earth's surface |
| peak | the pointed top of a mountain or hill |
| peninsula | land surrounded by water on all side but one |
| plain | a broad and flat or gently rolling area, usually low in elevation |
| plateau | a large and flat or gently rolling area high above sea level that may have deep canyons |
| reservoir | a place where water is collected and stored |
| river | a large stream of water that flows into a lake, ocean or other body of water |
| source | the place where a river or stream begins |
| swamp | low wetland on which grass and trees grow |
| tributary | a stream or river that flows into a larger stream or river |
| valley | lowland between hills or mountains |
| volcano | an opening in the earth's crust through which steam, ashes and lava are forced out |
