What are earthquakes and volcanoes?

What is the violent shaking of Earth's crust as built-up energy is released.

• earthquake
• epicenter
• fault
• focus

What is the point on Earth's surface directly above the focus of an earthquake?

• earthquake
• epicenter
• fault
• focus

What do you call the crack in Earth's surface along which movement takes place?

• earthquake
• epicenter
• fault
• focus

Name the point underground where the faulting in an earthquake occurs.

• earthquake
• epicenter
• fault
• focus

What do you call melted rock below the Earth's surface?

• epicenter
• fault
• focus
• magma

What do you call melted rock once it hardens on the Earth's surface?

• focus
• magma
• lava
• seismic waves

What do you call waves of energy sent through Earth's crust when parts of the crust move suddenly?

• fault
• magma
• seismic waves
•  magma

Where do many earthquakes and volcanoes occur along the Pacific Ocean?

• volcano
• earthquake
• Ring of Fire
• Volcanoes and Earthquakes

Which earthquake wave is the most destructive?

• P waves
• S waves
• L waves

Which boundary presses together?

• Sliding boundary
• Converging boundary
• Diverging boundary