Raging Planet Flashcards

1
Q

Periods of folding

A

Alpine,armorican,caledonia

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2
Q

What are the plates with land on top called

A

Continetal plate

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3
Q

Whats a plate with oceans on top

A

Oceanic plates

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4
Q

Whats the line were 2 plates meet

A

Boundary

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5
Q

The magma in the mantle is moved around in circular motion by

A

Convection currents

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6
Q

What are plates that collied also callsd

A

Destructive (or convergent) boundaries

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7
Q

Plates that slide past each other are

A

Passive boundaries

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8
Q

What do sliding plates cause

A

Earthquakes and fault lines

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9
Q

What is the crust broken into

A

Pieces called plates

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10
Q

The plates are constantly moving because of

A

Continental drift

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11
Q

How do volcanoes occur

A

magma occurs in the crust when 2 plates pull apart and magma spill through the gaps

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12
Q

The effects of volcanoes

A

Mid ocean ridges,volcanic islands,volcanic mountains

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13
Q

Whats the mid-Atlantic ridge

A

Underwater mountain range

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14
Q

Stages in a volcano

A

Active,dormant,extinct

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15
Q

Whats a active volvanoe

A

The volcano still erupts

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16
Q

Dormant volcano

A

Hasn’t erupted for a long time may erupt in future

17
Q

Extinct volcano

A

The volcano has not erupted in ages and will not erupt again

18
Q

Whats the pacific ring of fire

A

A path along the pacific ocean where active volcanoes and frequent earthquakes

19
Q

What are earthquakes

A

Are sudden tremors or vibrations in earths crust

20
Q

What is the point beneath the surface where earthquakes happen called

A

The focus

21
Q

What is directly above the focus

A

Epicentre the tremors and vibrations are the strongest there

22
Q

How do fold mountains form

A

Fold mountains form when 2 plates collide with each other

23
Q

Fold mountains

A

The magma (formed from the heavier plays melting into the mantle) can move to the surface forming volcanoes

24
Q

Example of fold mountains

A

The andes

25
Q

Parts of volcano

A

Magma chamber,vent,crater,lava

26
Q

Movement of the Earths lithospheric plates called

A

Tectonic movements

27
Q

Convergent

A

Spread apart

28
Q

Divergent

A

Slide past one another