Oceanography Unit Review

Deep Ocean currents are a result of

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

Tags

NGSS.MS-ESS2-6

What effect does the rotation of the Earth have on the direction of surface currents in the Northern Hemisphere?

• Causes surface currents to flow eastward

• Causes surface currents to flow westward

• Induces a northward movement of surface currents

• Has no effect on the direction of surface currents

Tags

NGSS.MS-ESS2-6

Which statement accurately describes the relationship between surface currents and climate patterns?

• Warm surface currents transport heat away from the equator toward higher latitudes.

• Cold surface currents are associated with low precipitation and arid climates.

• The Gulf Stream is a cold current that influences tropical climates.

• Surface currents have minimal impact on regional climates.

Tags

NGSS.MS-ESS2-6

The process of deep, nutrient-rich water moving upward to replace surface water that has blown farther offshore is called ___.

• downwelling
• upwelling
• rip current
• longshore current

What is the primary driving force behind the initiation of density currents in the ocean?

• Solar radiation

• Wind stress

• Variations in temperature and salinity

• Earth's magnetic field

Tags

NGSS.MS-ESS2-6

How do density currents contribute to ocean circulation in the vertical direction?

• By causing upwelling

• By creating surface currents

• By inducing downwelling

• By generating tidal forces

Water with _____ salinity and _____ temperature will be the MOST dense.

• higher, lower

• higher, higher

• lower, higher

• lower, lower

The energy that drives surface ocean currents comes from ____.

• salinity variations

• prevailing (global) winds

• temperature differences

• wave action

Tags

NGSS.MS-ESS2-6

Ocean currents that move toward the poles are ____.

• warm

• cold

• warm in the Northern Hemisphere and cold in the Southern Hemisphere

• cold in the Northern Hemisphere and warm in the Southern Hemisphere

Tags

NGSS.MS-ESS2-6

The highest salinity would be found in which of the following areas?

• an area with high rates of precipitation

• an area with high rates of evaporation

• an area with plenty of runoff

• all of the above

Tags

NGSS.MS-ESS2-4