APES Unit 4 Review

Front

What causes the movement of tectonic plates?

Back

Convection currents in the Asthenosphere.

Front

Why are earthquakes common in California and Japan?

Back

Both areas are on the boundary of active plates; the motion of the plates causes earthquakes.

Front

What is one consequence of El Nino?

Back

Flooding and increased rainfall in South America.

Front

What happens at a subduction zone?

Back

The denser oceanic crust is subducting under the less dense oceanic crust.

Front

What is a watershed?

Back

All of the land that drains into a particular body of water.

Front

What is the Moho discontinuity?

Back

The boundary between the Earth's crust and the underlying mantle.

Front

What are convection currents?

Back

Movement of fluid caused by differences in temperature and density, driving plate tectonics.

Front

What is the difference between oceanic and continental crust?

Back

Oceanic crust is denser and thinner than continental crust.

Front

What is a tectonic plate?

Back

A large slab of Earth's lithosphere that moves and interacts with other plates.

Front

What is the Ring of Fire?

Back

A major area in the basin of the Pacific Ocean where a large number of earthquakes and volcanic eruptions occur.