Changing Earth

Front

Core

Back

The deepest, innermost layer of Earth and is the hottest layer. It is made of mostly metals, which causes the Earth to be magnetic and have north and south poles.

Front

Crust

Back

The outermost layer of Earth and is solid. This is where life exists.

Front

Mantle

Back

The middle layer of Earth and is made of melted rocks. It is extremely hot and is constantly moving and flowing.

Front

Tectonic Plate

Back

A section of Earth’s crust and mantle.

Front

Igneous Rock

Back

Formed from cooling magma from the mantle or from cooling lava from a volcanic eruption.

Front

Metamorphic Rock

Back

Formed when rock is buried and experiences a great deal of heat and pressure over time.

Front

Sedimentary Rock

Back

Formed when rock breaks down into smaller pieces, called sediment, which compacts into layers.

Front

Erosion

Back

The process of moving or carrying away weathered rock, or sediment.

Front

Weathering

Back

The breakdown of rocks into smaller pieces.

Front

Deposition

Back

The placement of sediment after it is eroded.