Oceanic Ridge Quiz

Refer to the diagram of the oceanic ridge. Which numbered location is likely to represent the youngest section of the oceanic crust?

• 1

• 2

• 3

• 4

Based on the diagram provided, which process is most likely occurring at the oceanic ridge?

• Subduction

• Sea-floor spreading

• Continental drift

• Erosion

What type of plate boundary is the San Andreas fault?

• Convergent boundary

• Divergent boundary

• Transform boundary

• Subduction zone

What type of natural disasters are commonly caused by movement along the San Andreas faultline?

• Volcanic eruptions

• Tsunamis

• Earthquakes

• Hurricanes

What geological process is described as causing magma to rise and form new ocean floor?

• Plate tectonics

• Mantle convection

• Volcanic eruption

• Earthquake activity

Where is the Mid-Atlantic Ridge located?

• In the center of the Pacific Ocean

• Along the western coast of South America

• In the center of the Atlantic Ocean

• Along the eastern coast of Australia

What happens to the older ocean floor as new floor forms at the Mid-Atlantic Ridge?

• It remains stationary

• It is pushed farther away

• It is subducted into the mantle

• It rises above sea level

What does the diagram in the image primarily show?

• The different types of oceanic animals

• The depth of the ocean floor

• The location of the Mid-Atlantic Ridge and the ages of the oceanic lithosphere

• The temperature variations in the ocean

What type of plate boundary occurs when two plates slide past each other?

• Convergent

• Divergent

• Transform

• Subductive

What type of plate boundary occurs when two plates slowly crash into each other?

• Transform

• Divergent

• Convergent

• Subductive