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MVMS Plate Tectonics

QuestionAnswer
Pangaea "All Earth" super continent. Existed 250 million years ago.
Plate Tectonics Theory that the Earth's crust is broken into parts.
Plate Rigid block of Earth's crust.
Continental drift Continents plowing through the seafloor to their present day position.
Earthquake A shaking or trembling of the Earth.
Convergent Boundary Two tectonic plates that push directly into one another. (form mountains)
Divergent Boundary The boundary between two tectonic plates that move away from each other. (form valleys)
Transform Boundary The boundary between two tectonic plates that slide past each other. (earthquakes)
Magnetometer Instrument that detects magnetic changes in crustal rocks.
Fault A break in the Earth's crust, in which blocks of the crust slide next to one another due to tectonic forces.
Mid-ocean Ridge A long mountain chain that forms on the ocean floor where tectonic plates pull apart. The youngest rocks on earth are found here.
Created by: bonniehodder