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The theory of plate tectonics states that the Earth’s 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.Plate tectonics is a scientific theory that explains how major landforms are created as a result of Earth’s subterranean movements. The theory, which solidified in the 1960s, transformed the earth sciences by explaining many phenomena, including mountain building events, volcanoes, and earthquakes.The correct answer for the given question is: The theory of plate tectonics gives the method by which continents can move as part of plates (option B). Plate tectonics refers to the segment of the earth’s crust that is divided into continental and oceanic crusts based on density.
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Why plate tectonics is a theory?
Plate tectonics is a scientific theory that explains how major landforms are created as a result of Earth’s subterranean movements. The theory, which solidified in the 1960s, transformed the earth sciences by explaining many phenomena, including mountain building events, volcanoes, and earthquakes.
Which statement is true about the theory of plate tectonics in the theory of continental drift?
The correct answer for the given question is: The theory of plate tectonics gives the method by which continents can move as part of plates (option B). Plate tectonics refers to the segment of the earth’s crust that is divided into continental and oceanic crusts based on density.
Plate Tectonics Theory Lesson
Images related to the topicPlate Tectonics Theory Lesson
What is the plate tectonic theory quizlet?
The plate tectonics theory suggested that Earth’s surface is divided into large plates of rigid rock. Each plate moves over Earth’s hot semi-plastic mantle. plate tectonics. The theory of plate tectonics states that Earth’s surface is made of rigid slabs of rock, or plates, that move with respect to each other.
What is plate tectonics?
A tectonic plate (also called lithospheric plate) is a massive, irregularly shaped slab of solid rock, generally composed of both continental and oceanic lithosphere. Plate size can vary greatly, from a few hundred to thousands of kilometers across; the Pacific and Antarctic Plates are among the largest.
What are the 3 theories of plate tectonics?
The three types of plate boundaries are divergent, convergent, and transform.
Which of the following pieces of evidence supports the plate tectonic theory?
There is variety of evidence that supports the claims that plate tectonics accounts for (1) the distribution of fossils on different continents, (2) the occurrence of earthquakes, and (3) continental and ocean floor features including mountains, volcanoes, faults, and trenches.
How do tectonic plates move?
The plates can be thought of like pieces of a cracked shell that rest on the hot, molten rock of Earth’s mantle and fit snugly against one another. The heat from radioactive processes within the planet’s interior causes the plates to move, sometimes toward and sometimes away from each other.
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Plate Tectonics | National Geographic Society
Plate tectonics is a scientific theory that explains how major landforms are created as a result of Earth’s subterranean movements.
What is true about the theory of plate tectonics? – Quora
First, it’s not a theory anymore. Instead it is a completely proven fact of geological science. Only fearful religious persons consider Plate Tectonics, …
plate tectonics | Definition, Theory, Facts, & Evidence | Britannica
plate tectonics, theory dealing with the dynamics of Earth’s outer shell—the lithosphere—that revolutionized Earth sciences by providing a uniform context …
What is Plate Tectonics? – Live Science
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 …
When was the theory of plate tectonics first developed?
Plate tectonic theory had its beginnings in 1915 when Alfred Wegener proposed his theory of “continental drift.” Wegener proposed that the continents plowed through crust of ocean basins, which would explain why the outlines of many coastlines (like South America and Africa) look like they fit together like a puzzle.
Is it true that Earth’s plates meet at boundaries?
The Earth’s outer shell is divided into pieces called plates. Most volcanoes, mountains, and earthquakes occur where plates meet. Places where plates meet are called plate boundaries.
PLATE TECTONICS
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Which of the following is part of tectonic plates?
Tectonic plates are gigantic pieces of the Earth’s crust and uppermost mantle. They are made up of oceanic crust and continental crust. Earthquakes occur around mid-ocean ridges and the large faults which mark the edges of the plates.
What are the two main factors of tectonic plates movement?
Heat and gravity are fundamental to the process
The energy source for plate tectonics is Earth’s internal heat while the forces moving the plates are the “ridge push” and “slab pull” gravity forces.
Who gave plate tectonic theory?
Plate tectonics is the theory that Earth’s land masses are in constant motion. The realization that Earth’s land masses move was first proposed by Alfred Wegener, which he called continental drift.
What are the two theories of plate tectonics?
In fact, plate tectonics actually combine two other theories, continental drift and seafloor spreading into a comprehensive global theory.
What are the basic assumptions of the plate tectonic theory?
Plate tectonic theory is based on several assumptions about tectonic processes: 1) that new material is generated by sea-floor spreading at the mid-ocean ridges, which once formed become part of a plate, 2) that surface area is conserved, therefore plate material must be destroyed through another process, and 3) motion …
How many plate tectonics are there?
There are a total of seven major tectonic plates which cover nearly 95% of the Earth’s surface.
Which of the following are lines of evidence for plate tectonic theory quizlet?
What are the five main pieces of evidence for the Theory of Plate Tectonics? Magnetic striping, Age of the ocean’s crust rocks, Coral islands, The position of ocean trenches and the locations of earthquakes and volcanoes.
Plate Tectonics | Tectonic plates Theory | Video for kids
Images related to the topicPlate Tectonics | Tectonic plates Theory | Video for kids
What are the 4 major sources of evidence for the theory of plate tectonics?
- Shape of continents. From almost the creation of the first true maps of the Earth, people started seeing how continents would be able to fit together. …
- Location of mountains and fossils. …
- Earthquakes and Volcanoes. …
- Hot Spot Volcanoes.
Which of the following pieces of evidence supports the plate tectonics theory quizlet?
Which of the following pieces of evidence supports the plate tectonic theory? The stripe patterns of high- and low-intensity magnetism are mirror images on both sides of an oceanic ridge. You just studied 21 terms!
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