| A | B |
| atlas | a book of maps. Travelers often carry one on trips. |
| peninsula | a portion of land surrounded on three sides by water. |
| ocean | a large body of salt water. The earth contains four that together cover 75% of our planet's surface. |
| river | a natural stream of water that flows to the ocean. |
| swamp | weet, spongy land with abundant plant life. Often home to alligators. |
| plain | a wide, fairly flat expanse of treeless country. Good land for farming or raising cattle. |
| mountain | a land mass that is higher than a hill. |
| continent | one of the seven very large land masses of the world. |
| geography | the study of the earth, with the mountains, bodies of water, countries, and people. |
| valley | the low land between hills. |
| globe | a ball with a map of the world on it. |
| desert | dry land that receives very little rainfall and has little vegetation. |
| canyon | a deep valley with high, steep slopes. It often has a stream running through it. There is a grand one in the western U.S. |
| map | a drawing or picture showing the features of a land mass. |
| gulf | part of an ocean or sea that extends into a land mass. A large one exists south of the U.S. and est of Mexico. |
| island | a body of land surrounded on all sides by water. |
| prairie | a tract of grassland . |
| geology | the study of the earth's crust, strata, and especially rocks. |
| equator | an imaginary line around the middle of the Earth. Countries near this line stay hot year-round. |
| lake | a large, inland body of standing water. |