Ocean Currents Quiz

What is an ocean current?

• The movement of water along a certain path in the ocean

• A type of fish found in the ocean

• A weather pattern affecting the ocean

• A type of wave in the ocean

What is a surface current?

• A deep ocean current

• An ocean current driven by global winds

• A current that flows only at the ocean floor

• A current that moves vertically in the ocean

Which ocean current flows northeast in the North Atlantic Ocean?

• California current

• Gulf stream

• El Nino

• Density current

What is the California current?

• A warm-water surface current

• A cold-water surface current

• A deep ocean current

• A current that flows east

What causes density currents in the ocean?

• Differences in water temperature

• Differences in the density of water

• Wind patterns

• Ocean floor topography

What happens when the ocean is cooler than the atmosphere?

• It releases energy

• It absorbs energy

• It remains unchanged

• It evaporates

What is continental deflection?

• A change in ocean depth

• A change in the direction of surface currents

• A type of wave

• A type of fish migration

What determines the direction of global-scale surface currents?

• The ocean floor

• The coriolis effect

• The type of fish

• The color of the water

What are gyres?

• Small ocean waves

• Large spiral surface current systems

• Types of fish

• Ocean floor formations

What influences warm surface currents to flow toward the poles?

• The gravitational pull of the moon.

• The coriolis effect and continental deflection.

• The presence of marine life.

• The melting of polar ice caps.