Geo revision Flashcards

Teach

1
Q

Which way do destructive plates move

A

Against each other and one sinks and turns into new magma

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2
Q

Which way do conservative plates move

A

In opposing directions or the same way but at different rates

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3
Q

Which way do constructive plates move

A

Away from each other

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4
Q

Which way do collision plates move

A

Against each other and the pressure builds making fold mountains

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5
Q

Which plates cause earthquakes

A

Conservatives

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6
Q

Which plates cause volcanoes

A

Constructive

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7
Q

How do convection currents work

A

Convection currents are created by the uneven heating of fluid liquid or gas, which creates the current. The less dense material rises it cools and sinks

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8
Q

True or false?
Continental drift destroyed Pangea

A

True

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9
Q

True or false? hazards do not pose any danger to humans

A

False?
Hazards pose danger to humankind

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10
Q

True or false?
The Ring of Fire is famous for its earthquakes.

A

False
It is famous for its volcanoes

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11
Q

Is the Ring of fire in the Pacific Ocean or the Mediterranean ocean?

A

It is in the Pacific Ocean following some boundaries of continental plates

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12
Q

Can lava reach speeds up to 50 km/h?

A

Yes

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13
Q

Does lava oppose a bigger threat to property or people?

A

Property because lava destroys everything in its path and properties cannot run away from the danger

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14
Q

Is pyroclastic flow a mix of hot gas and ash?

A

Yes

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15
Q

Does pyroclastic flow pose more threat to property or people?

A

Both because pyroclastic flow incinerates everything in its path reaching heat to 100°C

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16
Q

Is lahar a mix of ash and acid?

A

No, it is a mix of ash and water

17
Q

Does lahar pose more of a threat to properties or people?

A

Properties, because it can destroy towns, villages and cities

18
Q

If a eruption occurs in the middle of the ocean, would it cause a tsunami?

A

Yes

19
Q

Does a tsunami pose a bigger threat to people or properties?

A

Both but more to people because one in Japan in 1883 killed over 30,000 people

20
Q

There are oceanic plates and…

A

…continental