Plates
Large movable plates under the Earth's surface that move due to convection currents.
Tectonic Plates
A boundary between two plates that are moving apart
Divergent Boundary
Molten rock beneath the earth's surface
Magma
Earthquakes
Transform Boundary
More dense, basalt tectonic plates, tend to go under less dense granite plates.
Oceanic Plates
A plate boundary where two plates move past each other in opposite directions.
Transform Boundaries
A dark, dense, igneous rock with a fine texture, found in oceanic plates.
Basalt
Volcanoes
Convergent Boundary
Tectonic Plates which largely comprised of less dense granite.
Continental Plate
A plate boundary where two plates move toward each other.
Convergent Boundaries
The relatively thin part of the earth's crust which underlies the ocean basins
Oceanic Crust
Mountains
Convergent Boundary
An oceanic tectonic plate that lies beneath the Pacific Ocean.
Pacific Plate
This boundary causes earthquakes.
Transform Boundaries
The outermost layer of Earth's lithosphere that makes up the planet's continents and continental shelves
Continental Crust
A rupture in the crust of a planetary-mass object, such as Earth, that allows hot lava, volcanic ash, and gases to escape from a magma chamber.
Volcano
A major tectonic plate that includes much of the continent of Africa and the adjacent oceanic crust to the west and south.
African Plate
These kinds of boundaries cause volcanoes.
Convergent Boundaries
Continental plate that has the most Basalt
Pacific Plate
A sudden and violent shaking of the ground, sometimes causing great destruction, as a result of movements within the earth's crust or volcanic action.
Earthquake