| A | B |
|---|
| Direct evidence | rock samples |
| Indirect evidence | seismic waves |
| crust | layer of solid rock that contains both dry land and ocean floor |
| basalt | dark rock that makes up ocean floor |
| granite | rock that makes up the continental crust |
| lithosphere | upper layer of the mantle that means "stone" |
| asthenosphere | layer of the mantle that is soft like tar |
| mantle | Earth layer that is hot rock |
| core | made of iron and nickel |
| outer core | made of liquid metal |
| inner core | dense ball of solid metal |
| Earth's magnetic field | created by movement in outer core |
