| A | B |
| geography | the study of earth and the way people, plants and animals live on and use it |
| plain | a large area of flat land |
| landform | one of the shapes of earth's surface |
| plateau | a large area of high flat land that is raised above surrounding land |
| climate | the weather a place has over a long period of time |
| natural resource | something found in nature that people use |
| mineral | natural substance found in the earth that is not a plant or animal |
| environment | all the air, water,land, and living things surrounding people |
| recycling | using something over again |
| intermediate directions | a direction half way between two cardinal directions |
| coast | the land next to the ocean |
| peninsula | land that has water on all sides but one |
| wildlife | the animals that live in an area |
| hemisphere | half of a sphere or globe |
| equator | an imaginary line around the middle of the earth |
| Atlantic Ocean | a large body of water located on the east side of the United States |
| Pacific Ocean | a large body of salt water bordering the west side of the U.S. |
| Mississippi River | one of the longest rivers in North America |
| Rocky Mountains | the largest mountain range in North America |