Unit 2 Test: Part 2 (m)

Front

A rift valley occurs at a ____________ boundary.

Back

divergent

Front

What is an ocean current?

Back

Movements of water that circulate in the ocean.

Front

Winds are caused by differences in ____________.

Back

air pressure.

Front

What is the process in which hot molten rock rises, then cools and sinks back to the core?

Back

convection.

Front

What are the 3 major climate zones in order from equator to the poles?

Back

tropical, temperate, polar.

Front

What is a divergent boundary?

Back

A tectonic plate boundary where two plates move away from each other.

Front

What is the significance of ocean currents?

Back

They regulate climate and weather patterns.

Front

What causes air pressure differences?

Back

Variations in temperature and altitude.

Front

What is convection?

Back

The transfer of heat through the movement of fluids.

Front

What is the role of plate tectonics in earthquakes?

Back

Earthquakes occur when stress builds up at plate boundaries and is released.