The Journey of Rubber Ducks Unraveling Ocean Currents and Their Impact

In 1992, a cargo ship lost 28,000 rubber ducks in the North Pacific, which helped researchers study ocean currents. Ocean currents are driven by wind, tides, water density, and Earth's rotation. Surface currents, influenced by wind and tides, form gyres due to the Coriolis Effect. Deep ocean currents are driven by water density changes, forming the Global Conveyor Belt, which affects climate. Rising sea temperatures may slow this belt, impacting weather systems.

What event in 1992 helped researchers better understand ocean currents?

• A volcanic eruption

• A cargo ship losing bath toys

• An oil spill

• A major earthquake

Which of the following is NOT a factor that drives ocean currents?

• Wind

• Moon phases

• Tides

• Earth's rotation

What percentage of the ocean's water is controlled by surface currents?

• 100%

• 90%

• 50%

• 10%

What is the primary force behind surface currents in the open ocean?

• Wind

• Tides

• Earth's rotation

• Water density

What are the large loops formed by surface currents called?

• Vortices

• Eddies

• Gyres

• Whirlpools

What effect causes the deflection of wind patterns, leading to the formation of gyres?

• Gravitational Effect

• Coriolis Effect

• Magnetic Effect

• Tidal Effect

What primarily drives deep ocean currents?

• Wind

• Tides

• Earth's rotation

• Changes in seawater density

What is the name of the vertical current set up by cold, salty water sinking and warmer water rising?

• Tidal flow

• Gyre formation

• Coriolis circulation

• Thermohaline circulation

What is the Global Conveyor Belt?

• A wind-driven current

• A deep ocean current system

• A series of surface currents

• A tidal wave pattern

What potential impact could rising sea temperatures have on the Global Conveyor Belt?

• Reverse its direction

• Speed it up

• Slow it down

• Have no effect