5. Ocean Currents

Ocean Currents

By Jason King

SUMMER SCHOOL

Multiple Choice

Cold oceanic currents flow towards Polar Region

• True

• False

Multiple Choice

Warm ocean currents generally come from

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

Multiple Choice

_______ causes the Coriolis Effect

• Earth's rotation

• gravity

• wind

• density

Multiple Choice

Surface currents are mainly caused by

• The Coriolis Effect
• Cold and Warm Water
• Convection
• Wind

Multiple Choice

Regular movements of water far below the oceans surface are called

• Warm Currents
• Deep Currents
• Shallow Currents
• Surface Currents

Multiple Choice

Warm ocean currents generally come from

• The North Pole

• The South Pole

• The Equator

• Both A and B

Multiple Choice

Movements of ocean water in a continuous flow are called?

• ocean currents
• global winds
• air mass
• front

Multiple Choice

What do we call the constantly moving system of deep-ocean circulation driven by differences in temperature and salinity?

• California Current

• Global Conveyor Belt

• Surface Currents

• Gulf Stream

Multiple Choice

Two types of ocean currents are

• local and global
• sea and land
• surface and deep
• warm and cold

Multiple Choice

Comes from the words 'heat' and 'salt'

• thermohaline
• salinity
• density
• temperature

Multiple Choice

What does the blue line represent in the Thermohaline circulation?

• Warm salty water

• Warm water

• Cold water

• Cold salty water

Multiple Choice

What does the red line represent?

• Warm water

• Warm salty water

• Cold water

• Cold salty water

Multiple Choice

Thermohaline circulation distributes which of the following?

• heat

• nutrients

• carbon dioxide

• all of the above

Multiple Choice

How can upwellings improve fishing for ocean fisherman?

• They cause ocean water to get warmer

• They cause ocean currents to remain calm

• They bring nutrients from cold, deep ocean waters

• They bring ocean currents from the Equator

Multiple Choice

What are a circular system of currents in the Earth's major oceans?

• ocean current

• gyre

• upwelling

• conveyor belt

Multiple Choice

How many different gyres are there?

• 1

• 4

• 5

• 7

Multiple Choice

When cold and salty water moves downward and warm and less salty water moves upward

• Thermohaline circulation

• Western Boundary Current

• Hadley Cell

• Surface current

Multiple Choice

Which term best describes the movement of warming water to the surface?

• Upwelling

• Ocean currents

• Surface currents

• Downwelling

Multiple Select

Based on the graph, which of the following statement(s) is(are) correct?

• Warm water sinks to the bottom of the ocean

• Warm water flows on the surface of the ocean

• Cold water flows in the deepest part of the ocean

• Cold water remains stationary in the deepest part of the ocean

Multiple Select

At which point or points of the Earth would Upwelling occur?

• A

• B

• C

• D

Multiple Choice

Jack has a rock. The rock has a mass of 14g and a volume of 2cm³. What is the density of the rock?

• 7 mL
• 7 g/cm³
• 28 g/cm³
• 1/7 g/cm³

Multiple Choice

Put the liquids in order from most dense to least dense?

• 4, 3, 2, 1
• 1, 2, 3, 4
• 3, 4, 2, 1, 
• 4, 3, 1, 2

Multiple Choice

Which box has a higher density?  

• Box A
• Box B
• cannot be determined
• they are the same

Multiple Choice

Which layer would have the highest salinity?

• surface mixed zone

• transition zone

• deep zone

Multiple Choice

Layer of water in which there is a high rate of change in salinity in the vertical dimension.

• halocline

• riftzone

• thermocline

• turbidity current

Multiple Choice

strong Atlantic current that brings warm water and mild climates from the Gulf of Mexico along the Florida coast, and across to Europe

• Jet Stream

• Gulf Stream

• Coriolis Effect

• Convection current