Tectonice Plates

Question 1

What are the two types of crust and their features

Answer 1

Oceanic crust = dense and thin

Continental crust = less dense and thick

Question 2

What does the earth’s structure look like?

Answer 2

Crust

Mantle

Outer core

Inner core

Question 3

What are convection currents?

Answer 3

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.

Question 4

Why do people live in volcanic areas?

Answer 4

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.