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Phenomena (Tectonic Plate Movement (Convergent boundary (When two plate…
Phenomena
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Earthquakes
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S Waves, P Waves, and Surface Waves.
S Waves move perpendicular to the direction the energy is moving, P Waves move parallel to the direction the energy is moving, and surface waves move on the surface.
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Volcanoes
Composite Volcano
A tall, cone-shaped mountain in which layers of lava alternate with layers of ash and other volcanic materials. (stratovolcano)
Cinder Cone Volcano
A steep, cone-shaped hill or small mountain made of volcanic ash, and bombs piled up around a volcanoes opening.
Shield Volcano
When fluid lava is extruded, the volcano takes the shape of a non-steep, broad, domed structure, built primarily of fluid basaltic lava, can be some of the largest volcanoes.
Fossils
Index Fossil
A widely distributed fossil that existed in a narrow range of time and is used by scientists to identify geological periods.
Law of superposition
States that undisturbed rock strata are deposited chronologically. The youngest layer is on top and each layer below it is older.
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