Exploring Earth's Layers

Front

Crust

Back

Outermost layer, solid rock

Front

Mantle

Back

Thick, semi-solid layer

Front

Outer Core

Back

Liquid iron and nickel

Front

Inner Core

Back

Solid iron and nickel

Front

Tectonic Plates

Back

Large sections of Earth's crust

Front

Volcanoes

Back

Openings in Earth's crust

Front

Earthquakes

Back

Shaking of Earth's surface

Front

Continental Drift

Back

Movement of continents

Front

Seismic Waves

Back

Energy waves from earthquakes

Front

Erosion

Back

Wearing away of Earth's surface