| A | B |
|---|
| Pangea | One land mass for all continents. |
| Continental Drift | The idea that lands are sliding across the earth's surface. |
| Wegener | Man that came up with the idea of land movement. |
| Fossil | Evidence of past life in rocks. |
| Seafloor Spreading | The ocean floor is moving apart to create new oceans. |
| Mid-ocean Ridge | Mountain chain that is below the middle of the Atlanic Ocean. |
| Subduction Zone | Location where the old lithosphere moves back into the earth's mantle. |
| Trench | Forms near a subduction zone as crust is pulled downward. |
