Ocean Currents Quiz

What are the two major types of ocean circulation?

• Northern and Southern Hemisphere currents

• Surface and deep-ocean currents

• Tropical and polar currents

• Warm and cold currents

What causes the clockwise circulation pattern in the North Atlantic?

• Gravitational forces

• Geostrophic flow

• Coriolis effect

• Wind-driven surface currents

What is the name for the pattern of surface currents in the Northern Hemisphere?

• Gyre

• Whirlpool

• Vortex

• Eddy

How deep do wind-driven surface currents extend?

• 50-100 m

• 200-300 m

• 400-500 m

• 600-700 m

What causes vertical movement of water against a continent in the Northern Hemisphere?

• Winds blowing parallel in the same direction

• Wind blowing south with a continent on the east

• Wind blowing south with a continent on the west

• Winds blowing parallel in the opposite direction

What do winds at the equator and tropics cause?

• Storms and hurricanes

• Erosion and deposition

• Tides and currents

• Upwelling and downwelling

What do surface currents distribute from the tropics to the poles?

• Heat energy

• Oxygen

• Salt content

• Nutrients

Which surface current warms Newfoundland, Iceland, and Great Britain?

• Kuroshio Current

• Canary Current

• California Current

• Gulf Stream