Ocean Currents Quiz

What is an ocean current?

• A large mass of water moving from one place to another

• A small wave on the ocean surface

• A type of fish found in the ocean

• A cloud formation over the ocean

Where can ocean currents be found?

• Only on the ocean surface

• Only deep in the ocean

• On the surface or deep in the ocean

• Only near the equator

What is the main energy source for surface currents?

• The moon

• Wind

• Tides

• Sunlight

What are gyres?

• Small waves in the ocean

• Large circular systems of ocean currents

• Types of fish

• Ocean storms

Which of the following is NOT a major gyre?

• North Pacific

• South Pacific

• Arctic Ocean

• Indian Ocean

How does the Coriolis effect influence ocean currents in the Northern Hemisphere?

• Currents move to the left

• Currents move to the right

• Currents move in a straight line

• Currents stop moving

What role do ocean currents play in climate?

• They have no effect on climate

• They cool the Earth's core

• They help balance the Earth's temperature

• They create new landforms

Which ocean current warms Great Britain's climate?

• Gulf Stream

• North Pacific Current

• South Atlantic Current

• Indian Ocean Current

What causes deep currents to happen?

• Wind patterns

• Differences in water density

• Earthquakes

• Tidal waves

What influences water density in the ocean?

• Temperature and salinity

• Wind speed

• Ocean depth

• Sunlight