Ocean Currents Review

Which of the following can cause an increase in density that results in a deep ocean current?

• The sun heats the water’s surface.

• A warm wind blows across cold water.

• An iceberg melts, adding fresh water to ocean water.

• Warm water loses energy to its surroundings and cools.

Tags

NGSS.MS-ESS2-6

NGSS.MS-PS1-4

Warm water from surface currents replaces colder denser water that sinks to the ocean floor.

• Ocean Currents

• Convection Currents

• Deep Currents

• Surface Currents

Tags

NGSS.MS-ESS2-6

Surface Currents are driven mainly by

• Coriolis Effect

• Wind

• Upwelling

• Moon

Tags

NGSS.MS-ESS2-6

Regular movements of water far below the oceans surface are called

• Warm Currents

• Deep Currents

• Shallow Currents

• Surface Currents

Tags

NGSS.MS-ESS2-6

______ causes deep ocean currents

• The Coriolis Effect

• gravity

• wind

• density differences

Decreasing ocean temperature causes the density of the water to ______.

• decrease

• increase

• stay the same

• fluctuate

Tags

NGSS.MS-PS1-4

________ and _______ affect the ocean's density and cause the Global Conveyor Belt to travel

• gravity and the Coriolis Effect

• temperature and salinity

• wind and climate

• temperature and the Coriolis Effect

Tags

NGSS.MS-ESS2-6

Deep Ocean currents are a result of

• Global Wind Patterns
• Earth's Rotation
• Density
• All of the above

Tags

NGSS.MS-ESS2-6

Warm ocean currents generally come from

• The North Pole
• The South Pole
• The Equator
• Both A and B

Tags

NGSS.MS-ESS2-6

Cold ocean currents generally come from

• The North Pole 
• The South Pole
• The Equator
• Both A and B

Tags

NGSS.MS-ESS2-6