The solid innermost portion of our Earth.

The outermost layer of Earth composed mainly of rock.

Weathered pieces of rock.

Buried remains of ancient plants and animals that we now use as fuel.

Wind or water carrying away weathered pieces of sediment.

A structure built across a river to prevent flooding

Structures built along the edge of a river to prevent water from overflowing onto the land

Captures water and moves it off of the road

prevents the ocean waves that carry sediment from coming onto the land

prevents soil erosion by planting on flat areas formed like steps

planting with the curves of the land instead of in straight up and down rows

sediment build up at the mouth of a river

Rocks and Sediment that is deposited after a glacier melts

island by the shore built by sediment (protects the main land from ocean waves)