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Geography > Plate tectonics > Flashcards

Plate tectonics Flashcards

1
Q

Is the INNER CORE of the Earth solid or liquid?

A

Solid

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2
Q

What is the MANTEL made of?

A

Magma

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3
Q

Name a type of crust!

A

Oceanic, Continental

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4
Q

Which type of crust is denser, Oceanic or Continental?

A

Oceanic

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5
Q

What rock is formed on the ocean floor?

A

Basalt (an igneous rock)

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6
Q

What is the name of the point where earthquakes begin INSIDE the crust?

A

The focus

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7
Q

What is the name of the centre of the earthquake on the earths surface?

A

Epicentre

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8
Q

What is the type of wave energy that travels towards the surface during an earthquake?

A

Seismic waves

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9
Q

Name the instrument used to measure earthquakes

A

Seismometer

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10
Q

What is the scale used to measure earthquakes

A

Richter scale

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11
Q

What is the name of the tectonic plate in europe?

A

The eurasian plate

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12
Q

The San Andreas Fault is which type of plate boundary?

A

Transform boundary

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13
Q

Name a place where a hotspot can be found?

A

Somewhere where the crust is thin like Iceland

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14
Q

Do volcanoes occur at destructive plate boundaries?

A

Yes

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15
Q

What are 2 types of volcanoes?

A

Shield and Strato

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16
Q

What is the name of the cloud of hot ash and rock that travels down the side of a volcano?

A

Pyroclastic flow

17
Q

Where is magma stored beneath the surface?

A

The magma chamber

18
Q

What is the name for a volcano that is “sleeping”

A

Dorment

19
Q

What is a convergent boundary?

A

When to plates are moving towards each other

20
Q

What is a transform boundary?

A

When two plates are side by side moving in opposite directions

21
Q

What is a divergent boundary?

A

Where two plates move away from one another

22
Q

Name the four layers of the earth!

A

Crust, Mantel, Outer Core, Inner core

23
Q

How big is the crust usually?

A

50km

24
Q

Name a second type of destructive boundary!

A

Subductive

Geography (2 decks)

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