| A | B |
| topography | the shape of the land determined by elevation, relief, and landforms |
| elevation | height above sea level |
| relief | the difference in elevation between the highest and lowest parts of an area |
| landform | feature of topography formed by the process that shape Earth's surface |
| plain | flat, or gently rolling land, low relief |
| coastal plain | wraps like an apron around the continents eastern and southeastern shores |
| interior plain | lies away from the coast, low relief, elevation can vary |
| mountain | a landform with high elevation and high relief |
| plateau | a landform that has high elevation and a more or less level surface |
| lithosphere | Earth's solid rock outer layer |
| atmosphere | the mixture of gases that surrounds Earth |
| hydrosphere | Earth's water and ice |
| biosphere | all living things |