| A | B |
| sound | a long, narrow strip of water, larger than a strait, joining two larger bodies of water. |
| source | the beginning of a brook or river, fountain, or spring. |
| isthmus | a narrow strip of land having water on each side and joining two larger bodies of land. |
| inlet | a narrow strip of water running from a larger body of water into the land or between islands |
| island | a body of land smaller than a continent and completely surrounded by water |
| glacier | a huge, slow-moving mass of snow and ice formed over many years from layers of unmelted snow pressing together. |
| gulf | a large bay. |
| hill | a raised part of the earth’s surface, smaller than a mountain. |
| mountain range | a row of connected mountains; a large group of mountains. |
| mouth | the part of a river where water is emptied into some other body of water. |
| ocean | the great body of salt water that covers almost three fourths of the earth’s surface with four main divisions: the Atlantic, Pacific, Indian and Arctic. |
| peninsula | a strip of land that juts out into an ocean. |
| plain | a flat stretch of land; prairie. |
| plateau | a plain in the mountains or at a height considerably above sea level; large, high plain; tableland. |
| river | a large, natural stream of water that flows into a lake or ocean. |
| savanna | a tropical grassland with scattered trees; located near the Equator. |
| sea | any large body of salt water, smaller than an ocean, partly or wholly enclosed by land. |
| lake | a body of water entirely or nearly surrounded by land. |
| mesa | a small, high plateau with a flat top and steep sides. |
| strait | a narrow channel of water connecting to larger bodies of water. |