Terminology Flashcards

1
Q

What is a natural disaster?

A

An event caused by nature that harms human life

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2
Q

What is a richter’s scale?

A

Used to measure earthquakes

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3
Q

What is a volcano?

A

A crack or rupture in the Earth though molten magma

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4
Q

What are natural hazards?

A

Natural process that could harm human and animals.

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5
Q

What is Mercalli scale?

A

A scale sued to measure the strength of the earthquake by how much damaged it caused

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6
Q

Who is Alfred Wegener?

A

A German scientist that argued that all the continents were once joined together as one big thing.

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7
Q

What is Pangea?

A

The name of the joint land mass

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8
Q

What is a Trench?

A

Converging plates

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9
Q

What is a ridge?

A

Diverging plates

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10
Q

What are converging plates?

A

Plates moving TOWARDS each other or into each other

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11
Q

What are diverging plates?

A

Plates that are moving AWAY from each other

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12
Q

What are transversing plates?

A

Plates moving sideways each other

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13
Q

What do transversing plates make?

A

Faults e.g The San Andreas fault

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14
Q

What do converging plates make?

A

Mountains e.g Atlas Mountains

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15
Q

What do diverging plates make?

A

Islands e.g Hawaii

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16
Q

What are convection currents?

A

A circular movement in liquids caused by heat

17
Q

What are convection cells?

A

The circle movement

18
Q

What is a primary effect?

A

Short term effect when coming to a natural disaster’s damage (e.g Damage to buildings, bridges, damage and death with people and livestock)

19
Q

What is a secondary effect?

A

A medium term effect when coming to the damage of natural disaster (e.g Contamination of water, disease, soil erosion or shortage of water or certain periods of time)

20
Q

What is a tertiary effect?

A

A long term effect when coming to the damage of a neural disaster and its damage (e.g Cost of feeding, housing, tourism declines, rebuilding and clean up costs)