| A | B |
| crust | thin, outer layer of Earth that is rocky (includes continents and ocean floor |
| mantle | thick layer of earth found under the crust |
| inner core | innermost (4th) layer of Earth made of solid metal |
| outer core | third layer of Earth from the outside made of molten metal |
| lava | molten rock that comes above the ground and hardens |
| magna | molten rock that is underground |
| earthquakes | usually happens before a volcano |
| tsunami | occurs when an earthquake happens under the water |
| weathering | process when rock breaks down to form sediment |
| sediment | pieces of soil and rock that are pulled away by wind, water, and other forces |