What ocean currents are and how they work
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| show | Ocean currents are large streams of water flowing in a certain path.
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| What influences the formation and moving of ocean currents? | show 🗑
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| Why do gyres move in different directions in both hemispheres? | show 🗑
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| What is upwelling? | show 🗑
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| show | A density current is a current that is caused by changes in density. A surface current reaches a polar area and the water cools. As the water freezes, salt is left behind. The surface water becomes very dense and sinks. Upwelling brings the water back up.
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| Why is the East Coast of the U.S. affected more than the West Coast? | show 🗑
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| show | The Great Ocean Conveyor Belt is a large system of currents that affects weather and climate. It takes about 1,000 years to complete, and density currents in the North Atlantic and Southern Ocean "drive" the conveyor belt.
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| show | Gyres move in circles because when the currents That are driven by wind and gravity hit a continent, they are forced to turn around and go a different way.
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Created by:
shwetanknsingh
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