Abeka Test 6 Part 1

What is the primary method of determining the physical properties of water?

• Gravity corer

• Profiling floats

• CTD sensor

• Drift bottles

Where does the ocean floor level off at the base of the continental rise?

• Continental shelf

• Abyssal plain

• Continental slope

• Trench

What are circular, coral reef islands that grow around seamounts called?

• Atolls

• Lagoons

• Submarine canyons

• Rift valleys

What breakthrough design greatly improved submersibles?

• Remotely operated vehicle

• Gravity corer

• Deep Submergence Vehicle

• Bathyscaphe

What is a wave with a white crest called?

• Whitecap

• Breaker

• Ocean swell

• Surf

What is the deepest known point in the sea, located in the Marianas Trench?

• Challenger Deep

• Hadal zone

• Abyssal plain

• Mid-Atlantic Ridge

What term describes waves that are different sizes and move in various directions?

• Ocean swells

• Choppy

• Surf

• Trough

What is the gently sloped region of the ocean floor called?

• Abyssal plain

• Continental rise

• Continental slope

• Continental shelf

What is the sandy, gently sloping underwater plain near a continent called?

• Continental slope

• Abyssal plain

• Continental shelf

• Continental rise

Where does the seafloor drop away from the continent abruptly?

• Continental shelf

• Continental slope

• Rift valley

• Trench