Earth's Layers Vocabulary

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A layer of molten metal, mainly nickel (Ni) and iron (Fe), that surrounds Earth's inner core.

The layer of Earth's upper mantle directly under the lithosphere in which rock is soft and weak because it is close to melting.

The layer of Earth made up of the crust and the rigid rock of the upper mantle.

The layer of rock between Earth's outer core and crust, in which most rock is hot enough to flow in convection currents.

A solid sphere of metal, mainly nickel (Ni) iron (Fe), at Earth's center.

This is the land that drops down steeply at the edge of a continental shelf.

The lower layer of the mantle that boarders Earth's molten core. Rocks are hot enough to flow in convection currents.

This layer of the crust is mostly sediment and is only 7-10 km thick.