Ocean Currents

What is the primary factor that affects the density of ocean water?

• Salinity

• Temperature

• Wind speed

• Ocean depth

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DOK Level 1: Recall

How does an increase in temperature generally affect the density of ocean water?

• Increases density

• Decreases density

• Has no effect

• Doubles the density

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DOK Level 1: Recall

Which of the following is a major ocean current that helps distribute heat from the equator to the poles?

• Gulf Stream

• Amazon River

• Mississippi River

• Nile River

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DOK Level 1: Recall

What do the arrows on the map represent?

• size of waves

• water weight

• ocean currents

• time between tides

Which mechanism is responsible for the deflection of ocean currents due to Earth's rotation?

• Wave formation

• Coriolis Effect

• Sun's energy

• Wind patterns

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DOK Level 1: Recall

What happens to ocean water as it moves from the equator towards the poles?

• It becomes warmer

• It becomes cooler

• It remains the same temperature

• It evaporates completely

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DOK Level 1: Recall

Which of the following is a mechanism that influences deep ocean movements?

• Wind patterns

• Differences in water density

• Sun's energy

• Wave formation

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DOK Level 1: Recall

What is the primary source of energy that drives ocean currents?

• Moon's gravity

• Sun's energy

• Earth's core

• Ocean tides

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DOK Level 1: Recall

Which of the following best describes the movement of warm ocean currents?

• From poles to equator

• From equator to poles

• Circular motion

• Stationary

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DOK Level 1: Recall

What is the term for the large-scale movement of water in the ocean that distributes heat?

• Tides

• Waves

• Currents

• Eddies

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DOK Level 1: Recall