| A | B |
|---|
| shaking of Earth's crust | earthquake |
| deepest layer of Earth | core |
| thickest layer, made of solid and melted rock | mantle |
| point of Earth's surface right above the focus of an earthquake | epicenter |
| layer of Earth that includes land and the ocean floor | crust |
| continent-sized slabs that make up the crust and upper mantle | plates |
| break in Earth's crust along which rock move | fault |
| instrument that records earthquakes waves | seismograph |
| underground point where an earthquake first starts | focus |
| hottest layer in Earth | core |
| ocean floor | is formed when plates move apart and magma rises to the surface crust |
