| A | B |
|---|
| geology | study of the physical Earth |
| geologist | a scientist that studies the physical Earth |
| lithosphere | the solid portion of the Earth (oceanic and continental plates are found on this layer) |
| hydrosphere | the liquid portion of the Earth |
| atmosphere | a gaseous layer surrounding the Earth |
| crust | first and thinnest layer of the Earth that ranges from 5-20 miles thick. It is the Earth's surface |
| mantle | second and largest layer of the Earth that has a layer of rigid rock, magma and solid rock |
| outer core | molten layer beneath the mantel |
| inner core | solid center of the earth made of iron and nickel; Earth's hottest layer |
| asthenopshere | bounter between the upper mantle and crust |
| molten | melted rock |
| granite, gabbro and basalt | solid rock that makes up the crust |
| magma | liquid rock found below the Earth's surface in the mantle layer |
