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  1. Feb 17, 2023 · Thus, plate tectonics is a scientific theory that deals with the large-scale motion of the plates that makes up the Earths lithosphere. From the deepest trench of oceans to the highest mountains, plate tectonics explains the movement of Earth’s surface in the past and present.

  2. What is plate tectonics? Plate tectonics is the theory that Earth’s outer shell is divided into several plates that glide over the mantle, the rocky inner layer above the core. The plates act like hard and rigid shells compared to Earth’s mantle. This strong outer layer is called the lithosphere.

  3. Sep 20, 2023 · Significance of plate tectonic theory. Plate tectonics explains the distribution of continents and oceans, the formation of mountain ranges, the opening and closing of ocean basins, and the generation of geological hazards such as earthquakes and volcanic eruptions. Plate tectonics is responsible for creating almost all significant landforms.

  4. Feb 1, 2021 · A tectonic plate (also called lithospheric plate) is a massive, irregularly-shaped slab of solid rock, generally composed of both continental and oceanic lithosphere. The lithosphere includes the crust and top mantle with its thickness range varying between 5-100 km in oceanic parts and about 200 km in the continental areas.

  5. Theory: Plate tectonics (from the Late Latin tectonicus, from the Greek: τεκτονικός “pertaining to building”) is a scientific theory describing the large-scale motion of 7 large plates and the movements of a larger number of smaller plates of the Earth‘s lithosphere, over the last hundreds of millions of years.

  6. May 26, 2021 · Plate tectonics is the theory that Earth's outer shell is divided into large slabs of solid rock, called “plates,” that glide over Earth's mantle, the rocky inner layer...

  7. Apr 26, 2024 · The theory of plate tectonics states that Earths solid outer crust, the lithosphere, is separated into plates that move over the asthenosphere, the molten upper portion of the mantle. Oceanic and continental plates come together, spread apart, and interact at boundaries all over the planet.

  8. A map of the tectonic plates of the earth showing the different boundary types in different colors. Locations where plates collide (convergent boundaries) are shown in red. Locations where plates are spreading (divergent boundaries) are shown in yellow.

  9. Jan 13, 2021 · Plate tectonics describes how Earth’s entire, 100-kilometer-thick outermost layer, called the lithosphere, is broken into a jigsaw puzzle of plates — slabs of rock bearing both...

  10. Apr 27, 2024 · Plate tectonics is the scientific theory that explains how the Earths outer layer, called the lithosphere, is divided into large pieces called tectonic plates. These plates are like giant puzzle pieces that move slowly over the Earth’s surface.

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