Questions on Volcanoes, Plate Boundaries and Earthquakes

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What are the differences between oceanic and continental crust?
Continental crust is thicker and made of granite. Oceanic crust is thinner and made of bassalt
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What are the 3 plate boundary types?
Constructive plate boundary, conservative plate boundary, destructive plate boundary
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What landforms are commonly found at a subduction zone?
Volcanoes
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Where is an example of a conservative plate boundary?
Between the North American plate and the Pacific plate (San Andreas Fault)
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What are the characteristics of a shield volcano?
Gentle sloping sides, low apex, wide base, fluid lava (basaltic), frequent but non-violent eruptions
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What are the characteristics of a composite volcano
Steep sloping sides, high apex, narrow base, viscous lava (andesitic), infrequent but violent eruptions
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What are primary effects?
The immediate effect of an earthquake on property and people e.g. the shaking causes buildings to fall down
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What are secondary effects?
The impact on property and people after it has finished e.g. lack of shelter due to the collapse of buildings
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What are the 2 scales that earthquakes are measured on?
Richter Scale (how powerful the earthquake is); Mercalli Scale (visual damage)
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Give ways to make a building earthquake proof
Deep foundations, shock absorbers built into the structure, lightweight materials used, cross bracing to prevent floors collapsing
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Card 2

Front

What are the 3 plate boundary types?

Back

Constructive plate boundary, conservative plate boundary, destructive plate boundary

Card 3

Front

What landforms are commonly found at a subduction zone?

Back

Preview of the front of card 3

Card 4

Front

Where is an example of a conservative plate boundary?

Back

Preview of the front of card 4

Card 5

Front

What are the characteristics of a shield volcano?

Back

Preview of the front of card 5
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