| A | B |
|---|
| landform | a physical feature on Earth's surface |
| relief map | a map that uses shading or color to show elevation |
| topographical | a map that uses lines to show elevation |
| atmosphere | the layer of gases that surround Earth |
| hydrosphere | all of Earth's liquid and solid water (oceans, glaciers, rivers, etc.) |
| crust | the rocky top layer of the Earth's surface |
| mantle | the layer of the Earth just below the crust |
| lithosphere | the crust and the top of the upper mantle |
| outer core | the central part of the Earth made of liquid metals |
| inner core | the central part of the Earth made of solid metals |
| biosphere | the parts of Earth were living things are found |
| magma | hot, melted rock below the Earth's surface |
