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Earth's Interior
Earth's Interior Structure
Term | Definition |
---|---|
crust | Earth's rocky outer layer |
mantle | layer below the Earth's crust |
outer core | made of molten, liquid metal |
inner core | made of solid iron and nickel |
crust | thinnest under oceans and thickest under mountains |
mantle | contains some liquid rock, but mostly solid rock |
outer core | source of Earth's magnetic field is Iron from this core |
inner core | Earth's hottest layer |
crust | least dense and thinnest layer |
mantle | most dense and thickest layer |
crust | hard and made of many minerals |
mantle | makes up about 2/3 of Earth's mass |