Ocean Currents Earth Science

Where is ocean water the densest?

• The surface

• The middle

• The bottom

• Lake Michigan

Two types of ocean currents are

• local and global

• sea and land

• surface water and deep water

• warm and cold

Tags

NGSS.MS-ESS2-6

Temperature and salinity are the two factors affecting which type of current?

• Mid-ocean ridges

• Deep Currents

• Surface Currents

• High tide and low tide

Tags

NGSS.MS-ESS2-6

A horizontal movement of ocean water that is caused by wind.

• Gulf Stream

• Global Conveyor Belt

• Surface Current

• Gyre

Tags

NGSS.MS-ESS2-6

Surface currents are a result of

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

Tags

NGSS.MS-ESS2-6

The Coriolis Effect is caused by

• Earth rotating around the sun
• Earth rotating on its axis
• The tides
• Gravity

Tags

NGSS.MS-ESS2-6

What happens to a current when it comes in contact with a continent or landmass?

• It continues over the continent
• It stops
• It changes direction
• It is absorbed by the land

Which of the following redirects ocean currents?

• Coriolis Effect

• Fish and Plankton

• Minerals in the water

• Solar energy

Tags

NGSS.MS-ESS2-6

Salinity is

• A type of plankton

• The difference in temperature between surface and deep water

• The amount of salt in sea water

• A type of surface current

Tags

NGSS.MS-ESS2-6

How many major ocean currents exist in the world?

• 15

• 20

• 40

• 10

Tags

NGSS.MS-ESS2-6