| A | B |
|---|
| crust | The thin, outer layer of EArth |
| weathering | The process of breaking rock into soil, asnd, and other tiny pieces |
| mantle | The layer of rock beneath Earth's crust |
| deposition | The process of dropping, or depositing, sediment in a new location |
| erosion | The process of moving sediment from one place to another |
| core | The center of the Earth |
| mass movement | The downhill movement of rock and soil because of gravity |
| plate | A rigid block of crust and upper mantle rock |
| magma | Hot, soft rock from Earth's lower mantle |
| volcano | A mountain formed by lava and ash |
| earthquake | A shaking of the ground caused by the sudden release of energy in Earth's crust |
| fault | A break or place where pieces of Earth's crust move |
| continental drift | A theory of how Earth's continents move over its surface |
| Pangea | A supercontinent containing all of Earth's land that existed abouty 225 million years ago |
| fossil | The remains or traces of past life found in sedimentary rock |
| landform | A physical feature on EArth's surface |
