click below
click below
Normal Size Small Size show me how
Science
Layers of the Earth
| Term | Definition |
|---|---|
| crust | solid and brittle, composed of granite and basalt, oceanic and continental, oceanic is more dense |
| mantle | largest layer, rocky and metallic, composed of iron magnesium and calcium |
| outer core | hot, metals are liquid, thickness is 2250 km, 5000-6000 degrees Celsius, composed of nickel and iron |
| inner core | metals are squeezed together so they can't move like a liquid and they are forced to vibrate like a solid |