L.O. SWBAT explain the causes of Ocean Currents

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Topic: Ocean Systems Essential Question: How does energy from the Sun drive wind and ocean currents?

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L.O. SWBAT explain the causes of Ocean Currents QFT – Do Now: 1. Take your laptop. 2. Write down 2-3 questions/ statements about this gif in your notes.

Ocean currents are stream-like movements of water in the ocean. What are ocean currents? Ocean currents are stream-like movements of water in the ocean. 2

What are ocean currents? Surface Ocean Currents are ocean currents that occur at or near the surface of the ocean. Surface winds push water in the direction of the wind. The Gulf Stream is one of the strongest surface currents on Earth. It transports warm water to higher latitudes. Deep Ocean currents are caused by convection currents. 3

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What causes motion in the ocean? Wind The global pattern of winds (gyres) cause the major ocean currents in the surface layer. Earth’s rotation (Coriolis Effect) Planetary/atmospheric/prevailing winds 5

What else causes motion in the ocean? Temperature: Radiation from the sun hits the earth directly at the Equator which causes warm surface ocean currents. 6

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