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Yr 12 E&E > Techtonic plates > Flashcards

Techtonic plates Flashcards

1
Q

What are tectonic plates?

A

Large sections of the Earth’s lithosphere that move and interact with each other.

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2
Q

True or false: Tectonic plates are responsible for earthquakes and volcanic activity.

A

True

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3
Q

Which layer of the Earth do tectonic plates consist of?

A

Lithosphere

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4
Q

What is the theory that explains the movement of tectonic plates?

A

Plate tectonics

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5
Q

Fill in the blank: The boundary where tectonic plates meet is called a ________.

A

Plate boundary

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6
Q

What is the process where tectonic plates collide and one is forced beneath the other?

A

Subduction

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7
Q

Which type of plate boundary is associated with the creation of mountain ranges?

A

Convergent boundary

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8
Q

True or false: Tectonic plates move at a constant speed.

A

False

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9
Q

What type of boundary occurs when two tectonic plates move apart?

A

Divergent boundary

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10
Q

What is the name of the supercontinent that existed millions of years ago and eventually broke apart into the current continents?

A

Pangaea

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11
Q

What is the process where new oceanic crust is formed at mid-ocean ridges?

A

Seafloor spreading

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12
Q

Which tectonic plate is the largest?

A

Pacific Plate

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13
Q

What is the name of the theory that suggests that the Earth’s lithosphere is divided into large plates that move over the asthenosphere?

A

Plate tectonics

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14
Q

Fill in the blank: The theory of plate tectonics was proposed in the ________.

A

1960s

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15
Q

True or false: Tectonic plates can only move horizontally.

A

False

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16
Q

What is the name of the boundary where tectonic plates slide past each other horizontally?

A

Transform boundary

17
Q

Which type of boundary is associated with the formation of new oceanic crust?

A

Divergent boundary

18
Q

Fill in the blank: The Ring of Fire is a region in the Pacific Ocean known for its ________ activity.

A

Volcanic

19
Q

What is the process where tectonic plates grind past each other without creating or destroying lithosphere?

A

Transform faulting

20
Q

True or false: The movement of tectonic plates is the result of convection currents in the Earth’s mantle.

A

True

21
Q

Which type of boundary is associated with the sliding of tectonic plates past each other?

A

Transform boundary

22
Q

What type of boundary is formed when two tectonic plates move toward each other?

A

Convergent boundary

23
Q

Fill in the blank: The San Andreas Fault is an example of a ________ boundary.

A

Transform

Yr 12 E&E (10 decks)

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