Practice: Earthquakes and Volcanoes

Most Earthquakes and Volcanoes can be found....

• around the Pacific Ring of Fire

• along the coast of Asia

• along plate boundaries

• in the Southern Hemisphere

The cracks in Earth's crust are called ___________.

• tectonic plates
• faults
• magma
• lava

What is the shaking of the Earth’s crust caused by a release of energy?

• Earthquake
• Epicenter
• Fault
• Plate

What is magma called when it reaches the surface of Earth?

• Lava

• viscosity

• toxic gas

The place where an earthquake originates inside the Earth's surface is called...

• Epicenter

• Focus

• Underground

• Crust

The place where the earthquake is felt on the Earth's surface is called...

• Epicenter

• Focus

• Surface

• Crust

The epicenter of an earthquake is

• The point below the surface where rock begins to break and the first motion occurs
• The seismic station closest to the earthquake
• The place where the greatest damage occurs
• The point on the surface directly above the focus

The Richter scale measures:

• the amount of radon gas released
• the movement of plates
• the strength of an earthquake
• the weight of tectonic plates

What is a fault?

• A crack in a plate.
• Where two plates move toward each other.

Most earthquakes happen along the _________________. 

• coast
• faults
• desert
• directions