Layers of the Earth and Plate Tectonics

Front

Outermost layer, thinnest layer of Earth

Back

Crust

Front

Layer between the crust and core, thickest of all the layers

Back

Mantle

Front

Part of the Earth that extends from the bottom of the mantle to the center

Back

Core

Front

The rigid outer layer of the Earth, made of two parts

Back

Lithosphere

Front

The softer, more flexible layer beneath the lithosphere

Back

Asthenosphere

Front

Strong lower part of the mantle

Back

Mesosphere

Front

Liquid layer of the Earth's core beneath the mantle

Back

Outer Core

Front

Dense center of our planet

Back

Inner Core

Front

One of the first ways geologists thought continents moved over time

Back

Continental Drift

Front

Scientist associated with Continental Drift

Back

Alfred Wegener