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Plate Boundaries
Plates
Term | Definition |
---|---|
Convergent Boundaries | It is when two plates collides towards each other |
Divergent Boundaries | Forms Rifts and Ridges |
Stress | Force that is applied to a rock that causes deformations |
Transform Boundaries | Plates slide past each other |
Alfred Wegener | Continental drift theory scientist |
Volcanoes | Continent colliding Oceanic plate |
Asthenosphere | The soft layer of the mantle on which pieces of the lithosphere move |
Supercontinent | Pangaea |
Continental Drift Theory | Theory that states, continents drifts from each other |
Crust | The thin, outermost layer of the Earth, or the uppermost part of the lithosphere |
Lithosphere | the outermost, rigid layer of the Earth that consists of the crust and the rigid upper part of the mantle |
Convection | process by which hot material from deep within the Earth rises while cooler material near the surface sinks |
Sea-floor spreading | as tectonic plates move away from each other, the sea floor spreads apart and magma rises to fill in the gap |