Geography Challenge of Natural Hazars

Who proposed the plate tectonic theory?
Alfred Weneger
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What are the two theories behind why plate tectonics move
Convection Currents and Slab Pull
2 of 20
What evidence proves tectonic plates are moving?
Hot Spots
3 of 20
Describe oceanic crust
Dense, but thin
4 of 20
What does a destructive plate boundary do?
Collide together
5 of 20
What does a constructive plate boundary do?
Moves apart
6 of 20
Describe a conservative plate boundary do?
Slips past eachother
7 of 20
What was a HIC earthquake
Chile
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What was a LIC earthquake
Nepal
9 of 20
What did the Chile earthquake measure?
8.8
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What was a primary effect of Chile?
500 killed
11 of 20
What was a primary effect of Chile?
Port of Santiago Bay was destroyed
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What was a secondary effect of Chile?
1500km of roads were blocked by landslides
13 of 20
Out of the four hazard management strategies which is the least effective?
Prediction
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Out of the four hazard management strategies which is the most effective?
Planning
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Why do people continue to live near areas at risk?
Coincide with favourable settlements
16 of 20
What are the benefits of living near volcanoes in Iceland?
Geothermal Energy
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What are the benefits from Iceland's volcano energy
Generates 25% of the country's electricity
18 of 20
Rising air causes...pressure
Low
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Descending air causes..... pressure
High
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Other cards in this set

Card 2

Front

What are the two theories behind why plate tectonics move

Back

Convection Currents and Slab Pull

Card 3

Front

What evidence proves tectonic plates are moving?

Back

Preview of the front of card 3

Card 4

Front

Describe oceanic crust

Back

Preview of the front of card 4

Card 5

Front

What does a destructive plate boundary do?

Back

Preview of the front of card 5
View more cards

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