Seafloor Features REVIEW

What are Seamounts?

• Islands that are part of a continental shelf

• Flat areas of the ocean floor

• Underwater mountains formed by volcanoes

• Deep trenches in the ocean

Which of the following describes the Abyssal Plain?

• A submerged edge of the continent

• An underwater mountain range

• A steep slope of the ocean floor

• The largest and flattest part of the ocean basin

What is a Submarine Canyon?

• A type of underwater volcano

• A deep V-shaped valley cut into the continental shelf and slope

• A flat area of the ocean floor

• A region of new seafloor growth

Letter G is a(an)

• Abyssal Plain

• Island

• Trench

• Mid-Ocean Ridge

Which topographical features are in the proper sequence from the North American continent to the Mid-Atlantic Ridge?

• shelf, slope, ocean basin

• ocean basin, slope, shelf

• ocean basin, shelf, rise

• trench, slope, basin

Which of the following is NOT one of the three main regions of the seafloor?

• A) Ocean Basin

• B) Ocean Ridges

• C) Continental Margin

• D) Coral Reefs

What feature begins where the continental shelf ends?

• Continental Rise

• Continental Slope

• Mid-Ocean Ridge

• Abyssal Plains

Which statement below is NOT true about the Mariana Trench?

• The Mariana Trench is approximately 11,022m at its deepest depth

• The Mariana Trench is located on the floor of the Pacific Ocean

• The Mariana Trench was explored by the bathyscaphe named the Trieste

• The Mariana Trench has been explored by Sylvia Earle using a JIM suit

Tags

NGSS.MS-ESS2-3

NGSS.MS-ESS2-2

What is the primary characteristic of the Continental Rise?

• It is a steep slope

• It is made of sand and mud deposited at the base of the slope

• It is a region of new seafloor growth

• It is a flat area of the ocean floor

The largest region of the ocean floor is the

• ocean basin

• continental rise

• continental shelf

• continental slope