Ocean Currents & Tides

Which best describes the Gulf Stream?

• A cold ocean current that cools the weather off near Australia.

• A cold ocean current that helps decrease global warming.

• A warm ocean current that influences weather along the east coast of the U.S. and up toward Europe.

• A warm ocean current that influences weather in Cuba and moves toward Antarctica.

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Most ocean waves are formed by

• earthquakes

• landslides

• impacts of cosmic bodies

• wind

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Which of the following does NOT control surface currents?

• tides

• global wind

• Coriolis Effect

• continental deflections (bouncing off of the continents)

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What phenomenon does the Coriolis Effect arise from?

• Rotation of the Earth on its axis.

• Revolution of the Earth on its axis.

• Curvature of the Earth’s surface.

• Effect of winds high in the atmosphere.

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Ocean currents have an effect on which two things

• climate and weather

• land and sea

• temperature and density

• equator and poles

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How does warm-water currents affect the coastal areas along which they flow?

• cool the coast

• cause snow to fall

• warm the coast

• cause higher tides

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Look at the picture. Which of the following statements best explains why the city of Hopedale is cooler than the city of Stornoway?

• Hopedale has a longer duration of isolation each day.

• Hopedale is influenced by a cold ocean current.

• Stornoway is farther from the equator

• Stornoway is on a different continent

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WARM OCEAN CURRENTS FLOW TOWARDS

• EQUATOR

• POLES

• EAST

• WEST

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______ causes deep ocean currents

• The Coriolis Effect

• gravity

• wind

• density differences

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What are a circular system of currents in the Earth's major oceans?

• ocean current

• gyre

• upwelling

• conveyor belt

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