Earthquakes and Volcanoes

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

• Lava

• viscosity

• toxic gas

This is the name for the chain of volcanos around the edge of the Pacific Plate.

• March Maddness

• Earthquake Alley

• Ring of Fire

• Circle of Death

Volcanoes are found...

• on land
• under water
• on islands
• all of the above

What is the definition of dormant?

• sleeping and could erupt again

• extinct and won't erupt

• active and dangerous

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

• Earthquake
• Epicenter
• Fault
• Plate

Where is the point on the Earth’s surface directly above the starting point of an earthquake?

• Epicenter

• Fault

• Magma chamber

Which type of wave is the first to arrive after an earthquake occurs?

• P Wave

• Rayleigh Wave

• S Wave

What is the measure of the amount of energy released in an earthquake?

• Earthquake

• Epicenter

• Magnitude

The huge pieces of the earth's crust are called ____________________________.

• cups

• plates

• dishes

• spoons

Where is the point at which the first movement occurs during an earthquake? Reperesented by letter S

• Epicenter
• Focus
• Fault
• Plate