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Study Stacks > Earth Layers + Plate Tectonics > Flashcards

Earth Layers + Plate Tectonics Flashcards

1
Q

What is Subduction?

A

When the thinner tectonic plate goes under the thicker earth layer

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2
Q

What is a Transform boundary?

A

When two tectonic plates slide past each other

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3
Q

What is a Convergent boundary?

A

When two tectonic plates push together

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4
Q

What is a Divergent boundary?

A

When two tectonic plates move away from each other

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5
Q

How does a earthquake form?

A

When two tectonic plates transform

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6
Q

What causes tectonic plates to move?

A

Subduction

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7
Q

What do you find next to earthquakes that aren’t near plate boundaries?

A

Mountain Ranges

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8
Q

What is magma?

A

Convection currents in molten rock

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9
Q

What is a rift?

A

Ocean valleys that appear at divergent boundaries

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10
Q

What is the only plate boundary that doesn’t involve magma?

A

Transform

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11
Q

What is the earth’s crust?

A

The crust is the outermost layer on the earth. The crust is the layer we live on.

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12
Q

What is the outer core?

A

The outer core is the layer around the inner core a.k.a the core. The outer core is a liquid layer of nickel and iron.

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13
Q

What is the mantle?

A
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14
Q

What is the inner core?

A

The inner core is the center of the earth. It is a solid layer of nickel and iron.

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15
Q

What is the hottest layer in the earth?

A

inner core

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16
Q

What is the Lithosphere?

A

The rigid outer part of earth, consisting of the crust and upper mantle

17
Q

What is earth’s crust mostly made of?

A

The crust is mostly made out of granite and basalt

18
Q

What is the densest layer of the earth?

A

The mantle

19
Q

What is the thinnest layer of the earth?

A

The crust

20
Q

What layer do the convection currents come from?

A

The inner core

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