Earth's Processes and Features Review

Front

What is an earthquake?

Back

An earthquake is the shaking of the surface of the Earth resulting from a sudden release of energy in the Earth's lithosphere that creates seismic waves.

Front

What can be done to reduce damage from earthquakes?

Back

Building safer, earthquake-resistant housing can help reduce deaths and injuries during earthquakes.

Front

What are shock absorbers used for in buildings?

Back

Shock absorbers are added to the foundations and floors of buildings to reduce the magnitude of vibrations during an earthquake.

Front

What is a tsunami?

Back

A tsunami is a series of massive waves generated in oceans, usually caused by tectonic plate shifts.

Front

What is a key indicator that a volcano may erupt soon?

Back

An increase in seismic activity is one of the best indicators that a volcano is about to erupt.

Front

What type of resource is coal?

Back

Coal is a non-renewable resource.

Front

What causes earthquakes?

Back

Earthquakes are caused by the movement of tectonic plates beneath the Earth's surface.

Front

What is the focus of an earthquake?

Back

The focus is the point within the Earth where an earthquake originates.

Front

What is the epicenter of an earthquake?

Back

The epicenter is the point on the Earth's surface directly above the focus of an earthquake.

Front

How can we prepare for earthquakes?

Back

We can prepare for earthquakes by having emergency plans, practicing drills, and securing heavy furniture.