Geology Layers Vocab

Front

Study of Earth's origin, history, and structure.

Back

geology

Front

Surrounds the inner core, made of liquid iron and nickel.

Back

outer core

Front

Innermost layer of the Earth, made of solid iron and nickel.

Back

inner core

Front

Thickest layer of magma.

Back

mantle

Front

Outermost layer of Earth.

Back

crust

Front

Magma outside the Earth's crust.

Back

lava

Front

Semisolid, molten material in the mantle.

Back

magma

Front

An explanation of how or why something happens that hasn't been proven.

Back

theory

Front

Theory explaining plate movement.

Back

Plate Tectonics

Front

Area of the upper mantle and lower crust.

Back

lithosphere