A crack in Earth's crust whose sides sho evidence of motion
A scientist who studies rocks to tell how they formed and to predict when an earthquake may occur.
Hot, molten rock deep below Earth's surface.
Magma that reaches Earth's surface.
Breaking down rocks into smaller pieces.
The picking up and carrying away of pieces of rocks.
The dropping off of bits of eroded rock.
A chunk of rock from space that burns up as it travels through Earth's atmosphere. "A Shooting Star."
A chunk of rock from space that strikes the surface of Earth or the Moon.
Area from which water is drained; region that contributes water to a river or river system.
Pieces of material carried and deposited by water or wind.
Precipitation that flows across the land's surface or falls into rivers and streams.
Bends or S-shaped curves in a river.
Land that is likely to be underwater during a flood.
Fan-shaped region formed by deposits of sediment found at the mouth of a river.
The hard outer layer of Earth, about 100 km thick.
The blanket of gases that surrounds Earth.