| A | B |
| imaginary line that runs through the center of earth from pole to pole | axis |
| When day and night of of equal length | equinox |
| When daylight hours are longer in one hemisphere and shortest in another hemisphere | solstice |
| The breaking down of rocks into smaller pieces by natural forces such as water or ice. | weathering |
| A process in which wind, water and ice remove small pieces of rock and deposit them somewhere else | erosion |
| cracks or gaps in the Earth's crust | faults |
| Outer layer of the earths surface that includes the continents and oceans | crust |
| Thickest layer of the earth that surrounds the core. | mantle |
| Center layer of the earth that is very hot. | core |
| name of super continent that existed before the continents broke off. | Pangea |
| theory that states that earth's crust is made up of pieces that are moving. (Plates) | Plate Tectonics |
| The chain of volcanoes that form a semicircle around the Pacific Ocean. | Ring of Fire |
| Molten rock that is inside the Earth's crust. | magma |
| a high, mostly flat landform that is higher than the surrounding land | plateau |
| A thick layer of gases/oxygen that lies above the earth's crust. | atmosphere |