Tectonic Plate Boundaries | Pangaea and Continental drift | Tectonic Plates | Layers of Earth | Random |
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What is a a boundary?
It is a place where tectonic plates meet.
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What is Pangaea?
A single large continent that means all earth in Greek.
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What is Plate Tectonics?
The theory that Earth's lithosphere is divided into tectonic plates.
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What is the core?
The central part of Earth below the mantle.
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What is sea floor spreading?
The process by which new oceanic lithosphere forms as magma rises to Earth's surface.
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What is a convergent boundary?
The boundary at which two tectonic plates collide.
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What is continental drift?
The idea that states that the continents once formed a single land mass that then broke up, and drifted to their present location.
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What do tectonic mostly contain?
Oceanic crust.
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What is the crust?
The thin and solid outermost layer of Earth above the mantle.
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What is mesosphere?
Below the Asthensosphere.
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What is a divergent boundary?
The boundary at which two tectonic plates separate.
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What are Laurasia and Gondwanaland?
The two continents that split away from the one super continent.
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What are tectonic plates?
Pieces of lithosphere moving around on the top of the Asthenosphere.
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What is the mantle?
The layer of rock between Earth's crust and core.
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What is continental crust?
It is thicker than oceanic crust.
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What is an Island Arc?
A series of volcanic Islands.
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What evidence is there for continental drift?
Fossils of organisms were found on different continents this is evidence for this theory.
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How fast do tectonic plates move?
They move between 2.5 cm per year and 15 cm per year.
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What is the lithosphere?
The solid outer layer of Earth that consists of crust and rigid upper part of the middle.
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What is transform boundary?
At which two tectonic plates slide past one another.
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What is subduction?
A plate of oceanic lithosphere may collide with a plate of continental lithosphere. The denser oceanic oceanic crust sinks, beneath the less dense continental crust.
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Who the first to hypothesize Continental drift?
Alfred Wegener.
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What is Earth's major tectonic plates?
They are the North American, Pacific, Nazca, South American, African, Antarctic, Indian, Eurasian, And Australian plates.
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What is Asthenosphere?
The soft layer of the mantle on which the tectonic plates move.
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What is a seismometer?
It measures the time seismic waves take to travel various distances.
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