a crack in the Earth's crust
shaking of Earth's crust
mountain made from the lava, rocks, and ash that spewed from an active volcano
magma-hot, melted rock beneath Earth's surface lava-magma that flowed onto the surface of the Earth
the earth's surface is worn away by the action of water and wind
the breaking down of rocks and other materials on the Earth's surface.
the natural process of sediment (dirt) moving down a river and being deposited (dropped) to make new soil
something built to stop flow of water
a bank built beside a river or stream to prevent overflow.
an opening built to collect runoff (rain), which then flows into an underground system.
sand pumped to a beach area to restore the beach as it once was prior to beach (sand) erosion caused storms, winds, tides
a force that builds up features of the Earth's surface
a force that wears away mountains and other features on the surface of the Earth
small, solid pieces of material that come from rocks or living things- dirt
a type of wall built out into water to protect a coastline or restrain currents