Quiz: What Do You Think?

Test your knowledge about El Niño and La Niña with this practice quiz!

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  1. Question 1 of 3

    1. Where does El Niño physically occur?

    • Correct! El Niño begins when the tropical Pacific tradewinds weaken.

    • Incorrect. El Niño begins when the tropical Pacific tradewinds weaken.

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  2. Question 2 of 3

    2. What is upwelling?

    • Correct! Upwelling is the term for cool water that moves up from ocean depths. This normally occurs at the West coast of South America as the tradewinds blow warm surface waters West across the tropical Pacific.

    • Incorrect. Upwelling is the term for cool water that moves up from ocean depths. This normally occurs at the West coast of South America as the tradewinds blow warm surface waters West across the tropical Pacific

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  3. Question 3 of 3

    3. What type of weather usually occurs over areas of warm ocean water?

    • Correct! Evaporation occurs more rapidly over warm ocean water, which leads to an increase in rain. During normal years, rain is plentiful on the East coast of Australia, but during El Niño events, rainfall can cause flooding in places on the West coast of South America, such as Peru.

    • Incorrect. Evaporation occurs more rapidly over warm ocean water, which leads to an increase in rain. During normal years, rain is plentiful on the East coast of Australia, but during El Niño events, rainfall can cause flooding in places on the West coast of South America, such as Peru.

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