Unit 9 Oceanography Review

What causes surface currents to move in circular paths?

• strong winds
• the Coriolis effect
• salinity
• the Global Ocean Conveyor

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NGSS.MS-ESS2-6

Deep currents are caused by differences in the _______________ ocean water.

•  eutrophication of
• sun's effect on
• density of
•  salinity of 

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NGSS.MS-ESS2-6

Upwelling is associated with

• a decrease in access to nutrients for phytoplankton
• cooler, nutrient-rich waters being pushed up from deeper ocean waters
• temperature gradients moving water from the equator to the poles
• an increase in human fatalities

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NGSS.MS-ESS2-6

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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

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NGSS.MS-ESS2-3

Where is the ocean deepest?

• ocean trench
• volcanic island
• abyssal plain 
• mid-ocean ridge

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NGSS.HS-ESS2-1

What do the arrows represent in the picture?

• waves
• currents
• tides

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NGSS.MS-ESS2-6

What causes the tides to change?

• rotation of the Earth
• magic
• gravitational pull from the moon
• ocean currents

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The large flat region of the ocean floor is called the 

• ocean trench
• continental shelf
• abyssal plain
• seamount 

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NGSS.MS-ESS2-3

What sea floor feature is created by erosion and deposition?

• continental rise
• submarine canyon
• Marianas trench
• seamount

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NGSS.HS-ESS2-1

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A trench is formed at what zone?

• subduction
• divergent
• convergent
• strike-slip

Tags

NGSS.HS-ESS1-5

NGSS.HS-ESS2-1