A piece of evidence of an animal or plant from a long time ago.

A windy storm that blows dust from a dry region.

The movement of weathered rock or soil from one place to another.

A danger caused by changes on Earth's surface or weather.

Melted rock that was once magma when it reaches Earth's surface.

The settling of eroded material in a new place.

The height of an area above sea level.

Rock formed from deposited sediment.

A place where melted rock erupts from inside Earth.

The process of breaking down rock by water, wind, and living things.

A slowly moving river of ice.

To prepare the soil for planting crops. Tilling can increase erosion if done incorrectly.

A fast-moving wave on a large body of water, often caused by underwater earthquakes or landslides.

The chemicals that rock is made of.

A row of plants grown to slow down wind and reduce its harmful effects.

Any eroded material deposited in a new place, such as weathered rock, sand, and soil.

A wall that blocks the flow of a stream or river. Dams are built by beavers and humans.

A map that shows the physical features of an area, like climate or elevation, and locations of mountains, water bodies, and deserts.

A map showing areas where earthquakes have occurred and are likely to occur again.

A type of rock formed from compressed and cemented sediment.

A map that shows the physical features of an area, such as elevation and climate.

The process of changing rocks through heat, pressure, or chemicals.