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Describe how the ideas behind plate tectonics started with Alfred Wegener’s hypothesis of continental drift. Describe the physical and chemical layers of the Earth and how they affect plate movement. Explain how movement at the three types of plate boundaries causes earthquakes, volcanoes, and mountain building.
Review your understanding of plate tectonics in this free article aligned to NGSS standards.
24 Απρ 2024 · Boundaries between the plates are of three types: divergent (i.e., moving apart), convergent (i.e., moving together), and transform (moving side by side). Before we talk about processes at plate boundaries, it’s important to point out that there are never gaps between plates.
In a simplified plate tectonic model, plate interaction can be placed in one of three categories. In places where plates move toward each other, the boundary is known as convergent. In places where plates move apart, the boundary is known as divergent.
7 Μαρ 2024 · Tectonic plate boundaries, like the San Andreas Fault pictured here, can be the sites of mountain-building events, volcanoes, or valley or rift creation. Plate tectonics is a scientific theory that explains how major landforms are created as a result of Earth’s subterranean movements.
7 Μαρ 2024 · A single tectonic plate can have multiple types of plate boundaries with the other plates that surround it. For instance, the Pacific Plate, one of Earth’s largest tectonic plates, includes convergent, divergent, and transform plate boundaries.
Transform plate boundaries: the two plates slip past each other. The type of plate boundary and the type of crust found on each side of the boundary determines what sort of geologic activity will be found there.
