| A | B |
|---|
| inner core | solid innermost center of the Earth |
| outer core | layer of the Earth surrounding the inner core |
| mantle | layer of the Earth that extends from the bottom of the crust to the outer core |
| Moho | boundary between the Earth's outermost layer (crust) and the mantle |
| plasticity | when a solid can flow or change shape |
| crust | thin outermost layer of the Earth |
| lithosphere | top solid part of the Earth, crust and some of the mantle |
| asthenosphere | layer of Earth directly beneath the lithosphere |
| Oceanic crust | crust under the ocean 8 km thick |
| Continental crust | crust on the continent 32 km thick |
