Earth's Changes Over Time Exit Ticket

Front

What is plate tectonics?

Back

The theory that explains the movement of large plates of Earth's lithosphere due to convection in the mantle.

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What evidence supports the theory of plate tectonics?

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The discovery of similar rock formations and fossils on different continents, as well as the matching ages of rocks from different locations.

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What is continental drift?

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The hypothesis that continents have moved over geological time and were once joined together.

Front

What is the lithosphere?

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The rigid outer layer of the Earth, consisting of the crust and the upper mantle.

Front

What role does convection play in plate tectonics?

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Convection in the mantle causes the movement of tectonic plates, as hot material rises and cooler material sinks.

Front

What are tectonic plates?

Back

Large sections of the Earth's lithosphere that move and interact at their boundaries.

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What is a divergent boundary?

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A tectonic plate boundary where two plates move away from each other, often resulting in the formation of new crust.

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What is a convergent boundary?

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A tectonic plate boundary where two plates move toward each other, often resulting in subduction or mountain formation.

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What is a transform boundary?

Back

A tectonic plate boundary where two plates slide past each other horizontally.

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What is subduction?

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The process by which one tectonic plate moves under another plate and sinks into the mantle.