Oceans - Unit 4 Review

______ causes deep ocean currents

• The Coriolis Effect

• gravity

• wind

• density differences

______ causes surface currents.

• The Coriolis Effect

• gravity

• density differences

• wind

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
• Either Pole

Tags

NGSS.MS-ESS2-6

The Gulf stream carries _____________ water from the east coast of The United States to the West coast of Europe.

• Cold
• Warm 
• Freezing
• Fresh

Tags

NGSS.MS-ESS2-6

Ocean currents have an affect on which two things

• climate and weather
• temperature and density
• land and sea
• equator and poles

Tags

NGSS.MS-ESS2-6

A horizontal movement of ocean water that is caused by wind and that occurs at or near the ocean's surface.

• Gulf Stream
• Global Conveyor Belt
• Surface Current
• Gyre

Tags

NGSS.MS-ESS2-6

Why are surface currents at the surface of the ocean?

• colder temperature
• colder temperature & more salinty
• warmer temperature & less salinty
• less salinty

Tags

NGSS.MS-ESS2-6

What percent of the Earth’s surface is covered by Oceans?

• 75%
• 86%
• 70%
• 100%

A measure of dissolved solids in sea water is

• desalination
• salinity
• carbonation
• pollution