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10 Cards in this Set
- Front
- Back
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Fault Lines
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a break or fracture in the ground that occurs when the Earth's tectonic plates move or shift
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Pangea
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The name given to the supercontinent that existed during the Paleozoic and Mesozoic eras, before the process of plate tectonics separated each of the component continents into their current configuration.
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Plate Tectonics
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The theory that Earth's lithosphere is divided into pieces that are in slow, constant motion caused by convection currents in the mantle.
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Continental Drift
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A hypothesis that all the continents were once joined together in a single land mass called Pangea and has since drifted apart.
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Seismic Waves
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An elastic wave generated by an impulse such as an earthquake or an explosion.
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Convergent
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Place where two plates come together, or converge. A “collision”
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Divergent
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Place where two plates spread apart, or diverge.
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Transform
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Place where two plates slide past each other in opposite directions.
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Subduction Zone
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When oceanic crust slips under continental crust. This can form volcanoes
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Ring of Fire
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A major area in the basin of the Pacific Ocean where a large number of earthquakes and volcanic eruptions occur.
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