Intro to Oceanography

What is the only part of the ocean floor without tectonic activity?

• continental slope

• continental margin

• seamount

• abyssal plain

What part of the ocean floor would be the most difficult to explore due to pressure?

• continental slope
• sea mount
• trench
• abyssal plain

What part of the ocean floor would be most affected by sea level change?

• abyssal plain
• continental shelf
• continental slope
• trench

Tags

NGSS.MS-ESS2-4

What major feature of the ocean floor circumnavigates the Earth?

• mid oceanic ridge
• continental slope
• trench
• sea mount

A trench is formed at what zone?

• subduction
• divergent
• convergent
• strike-slip

Tags

NGSS.HS-ESS1-5

NGSS.HS-ESS2-1

What first accurately mapped the ocean floor?

• The Spanish armada
• Chinese army
• Magellan
• sonar

Which best describes the continental shelf?

• a flat underwater valley 
• a region of mountains in the deep ocean 
• a shallow area of sediment near the shore 
• a region with high water pressure 

The ocean floor 

• is always a flat bed of sand 
• has mountains, plains, and ridges like land surfaces
• is covered by the same amount of water everywhere
• covers less area than land

Tags

NGSS.MS-ESS2-4

The large flat region of the ocean floor is called the 

• ocean trench
• continental shelf
• abyssal plain
• seamount 

What are underwater mountain ranges called?

• current

• oceanic ridges

• submersibles

• continental shelf