| A | B |
| geology | study of the earths physical structure and history |
| Inner core | solid and made of very denseand heavy materials iron, nickel, and alloy |
| outer core | molten, liquid metals, that are extremely hurt |
| mantle | surrounds the core and is a thick layer of rock that has pockets of magma |
| crust | thin rocky surface area |
| siesmology | study of earthquakes and properties of the earth |
| P waves | moves through the earth like dominos |
| S waves | moves in a right angle when you turn a slope sideways |
| L waves | do not pass through the earth, but are confined to the earths crust |
| volcanism | movement of magma molten rock inside the earth |
| faulting | when theres a break in the earhts crust |
| folding | when rock layers bend or buckle |
| Pangea | supercontinent |
| convection | is a circular movement that occurs when materials are heated |