Plate Tectonics Vocab Week 1

Front

Theory stating Earth's outer layer consists of moving, colliding, or sliding pieces.

Back

Theory of Plate Tectonics

Front

Rigid outer part of Earth: crust + upper mantle

Back

lithosphere

Front

Upper mantle layer like melted plastic with convection currents affecting the lithosphere.

Back

Asthenosphere

Front

Hottest layer in Earth's interior

Back

Inner Core

Front

Least dense geological layer of Earth

Back

Crust

Front

Deepest, most pressured layer

Back

Inner core

Front

Only liquid layer inside Earth

Back

outer core

Front

Magnetic field protector of Earth

Back

outer core

Front

Made of chunky silicate rocks, slightly melted for convection currents.

Back

Mantle

Front

Thinnest and coolest layer of Earth

Back

crust