Measure of the energy released during an earthquake.
magnitude
Rock made from sediment crushed together under high pressure and temperature
sedimentary rock
The layer of rock underneath the soil.
bedrock
When hot bedrock deep underground moves, changes shape, and shifts.
creep
Rock that has been changed by heat and pressure.
metamorphic rock
a crack in the Earth's surface between two pieces of bedrock.
faultline
A plate boundary where two plates move toward each other.
convergent boundary
A plate boundary where two plates move away from each other.
divergent boundary
A plate boundary where two plates slide past each other.
Transform boundary
Hot, melted rock underneath the surface of the Earth.
Magma
When smaller pieces of rock and soil are moved away because of water, wind, ice, etc.
Erosion
When small pieces of rock or soil are placed in a new location after being eroded away
Deposition
The speed at which the land is being eroded away.
Erosion Rate
The speed at which an area of land is being pushed up over time.
Uplift rate
When wind, water, ice, or other things break down larger rocks into smaller pieces.
Weathering
Earth's outer most layer.
Crust
