Earth's Interior and Plate Tectonics Flashcards

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1
Q

What is the Crust?

A

The thin and solid outermost layer of Earth above the Mantle.

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2
Q

What is the Mantle?

A

The layer of rock between Earth’s crust and core.

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3
Q

What is the Core?

A

The center part of Earth below the mantle.

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4
Q

What is the hottest part of the Earth?

A

The core, it is made of extremely hot metal.

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5
Q

What is Plate Tectonics?

A

The study of the movement of the continents by large underground plates.

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6
Q

What is Pangea?

A

All of the Continents merged together, it used to be this way before the land mass split up to the way it is today.

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7
Q

What is Continental Drift?

A

The idea that the Continents are moving.

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8
Q

What is the Lithosphere?

A

A layer made of the Crust and the upper portion of the Mantle.

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9
Q

What is one theory on the reason that the Plates move?

A

It is theorized that they move because of a layer mode up of hot liquid called the Asthenosphere.

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10
Q

What is Magma?

A

Liquid rock produced under the Earth’s surface.

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11
Q

What is a Divergent Boundary?

A

A place where two plates move apart, making a gap.

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12
Q

What is Subduction?

A

The moving of a Tectonic plate below another plate.

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13
Q

What is a Fault?

A

A crack in Earth created when rocks on either side of a break move.

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14
Q

What is a Convergent Boundary?

A

The overlapping of plates moving together that causes mountains to form.

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15
Q

What is a Divergent Boundary?

A

The spreading apart of plates that causes large gaps, these are later filled by magma.

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