Ocean Ridges and Trenches Quiz

What is a mid-ocean ridge?

• A deep underwater trench

• A mountain range under the ocean

• A flat plain on the ocean floor

• A type of coral reef

Which geological process is responsible for creating new ocean floor?

• Erosion

• Volcanic eruption

• Seafloor spreading

• Subduction

What is the Mid-Atlantic Ridge?

• A mountain range on land

• A ridge in the Atlantic Ocean

• A trench in the Pacific Ocean

• A type of ocean current

How are ocean trenches formed?

• By the melting of polar ice caps

• By the collision of tectonic plates

• By the erosion of ocean currents

• By the accumulation of sediments

What happens to old ocean floor at ocean trenches?

• It turns into coral reefs

• It remains unchanged

• It is destroyed by subduction

• It is uplifted to form mountains

What is the primary cause of tectonic plate movement?

• Convection currents in the mantle

• Solar radiation

• Gravitational pull

• Wind currents

Which oceanic feature is typically found at divergent plate boundaries?

• Ocean trenches

• Mid-ocean ridges

• Volcanic islands

• Continental shelves

What geological feature is formed when two continental plates collide?

• Ocean basin

• Volcanic arc

• Mid-ocean ridge

• Mountain range

What is the process called when one tectonic plate slides beneath another?

• Folding

• Rifting

• Convection

• Subduction

Which type of boundary is associated with the creation of new crust?

• Convergent boundary

• Divergent boundary

• Transform boundary

• Subduction zone