Earth Internal Process

Plates move because of convection currents in the __________.

• ocean
• mantle
• epicenter
• continental drift

The innermost layer of the earth, its core, is _______.

• The thickest layer
• Made of nickel and iron
• Solid
• All of the above

Earthquake waves that travel slowest and do the most damage are called

• L-waves
• S-waves
• P-waves
• Tsunami waves

Volcanic mountains usually form _______.

• in the middle of a plate
• in corn fields 
• where two plates meet 
• where a plate folds

What is the churning liquid and solid rock beneath the crust?

• mantle
• continental drift
• cinder cone
• fault

What is the theory that the Earth's continents move?

• mantle
• continental drift
• cinder cone
• fault

What is the break in the Earth's crust along which  movement occurs?

• mantle
• continental drift
• cinder cone
• fault

What is the instrument that measures earthquake strength?

• composite volcano
• shield volcano
• focus
• Richter scale

Which type of volcano is Mount Fuji?

• composite volcano
• shield volcano
• focus
• Richter scale

Which type of volcano low and broad?

• composite volcano
• shield volcano
• focus
• Richter scale