| A | B |
|---|
| crust | earths surface |
| mantle | largest earth layer made of hot rock that can move under pressure |
| asthenosphere | upper mantle that has convection |
| inner core | composed of solid iron. Inner most layer. |
| outer core | molten rock gives us earths magnetic fields |
| lithosphere | crust and upper mantle |
| tectonic plates | areas of crust that contain continents and move with the asthenosphere |
| volcanos | caused by pressurized magma seeping through cracks in the lower crust |
| sea floor spreading | where two ocean containing plates move apart |
| magma | molton rock under the earths surface |
| molton | melted rock |
| lava | melted rock that reaches the earths surface |
