Ocean Currents REVISION

What are ocean currents?

• Temporary movements of seawater

• Continuous, directed movements of seawater

• Random movements of ocean waves

• Seasonal changes in water temperature

Tags

NGSS.MS-ESS2-6

What are the two main types of ocean currents?

• Hot and cold currents

• Eastern and western currents

• Surface currents and deep ocean currents

• Coastal and offshore currents

Tags

NGSS.MS-ESS2-6

Which factors drive ocean currents?

• Only temperature differences

• Only wind patterns

• Only salinity levels

• Wind, temperature, and salinity

Tags

NGSS.MS-ESS2-6

What role do ocean currents play in Earth's systems?

• They only affect marine life

• They influence climate and marine ecosystems

• They only impact coastal regions

• They have no significant impact

Tags

NGSS.MS-ESS2-6

NGSS.MS-ESS2-4

How do warm currents generally move?

• From poles to equator

• From east to west only

• From equatorial regions toward poles

• In circular patterns only

Tags

NGSS.MS-ESS2-6

What is the direction of cold current movement?

• From polar regions toward equator

• From equator to poles

• Only along coastlines

• Between continents only

Tags

NGSS.MS-ESS2-6

How does temperature affect water density?

• Temperature has no effect on density

• Warmer water is more dense

• Colder water is less dense

• Colder water is more dense

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What happens to warm water in the ocean?

• It sinks to the bottom

• It rises to the surface

• It remains at mid-depth

• It freezes quickly

Tags

NGSS.MS-ESS2-6

NGSS.MS-ESS2-4

Which is an example of a warm current?

• Labrador Current

• Gulf Stream

• Antarctic Current

• Benguela Current

How do vertical ocean currents form?

• Through wind action only

• Through density differences

• Through tidal forces only

• Through wave action

Tags

NGSS.MS-ESS2-6