Tectonice Plates Flashcards

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1
Q

What are the two types of crust and their features

A

Oceanic crust = dense and thin

Continental crust = less dense and thick

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2
Q

What does the earth’s structure look like?

A

Crust

Mantle

Outer core

Inner core

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3
Q

What are convection currents?

A

Convection Currents.
Heat from the core causes convection currents in the mantle. These cause the mantle to move as it heats and cools. These currents slowly move the crust around.

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4
Q

Why do people live in volcanic areas?

A

Hazards don’t happen that often so people don’t see them as a threat.
Poverty – people have other things to worry about and can’t afford to move.
Volcanoes bring benefits like fertile soils, hot water and jobs in tourist areas.

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