Indirect Evidence

Front

Seismic waves.

Back

Indirect Evidence

Front

Rock Samples

Back

Direct Evidence

Front

Layers classified by their elements.

Crust, Mantle, and core!

Back

Compositional Layers

Front

Layers classified by their properties or movements, Mesosphere, Asthenosphere, Lithosphere, outer core, inner core

Back

Mechanical Layers

Front

energy waves that travel through the Earth, generated by events like earthquakes or volcanic activity. Travel through the Earth by transmitting energy from one particle to another in the rock. Two types body and surface

Back

Seismic Waves

Front

the solid, outer part of Earth. The lithosphere includes the brittle upper portion of the mantle and the crust,

Back

Lithosphere

Front

the depth in the earth where heat from the core begins to melt the crust.

Back

Asthenosphere

Front

heat-driven cycles that occur in the air, ocean, and mantle.

think of the rock cycle

Back

Convection currents