Some water in the ocean is cold and some is hot. Where would your team expect to find the coldest water or just plain cold water? Where would the team expect to find warm waters? Do hot and cold water mix? Check it out in the ship's lab.

You'll need the following supplies:

PBS Tracking El Niño


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Lesson Ideas created/adapted by Margaret Hammer (Graduate Research Assistant) and Judith Kenworthy (Technology Mentor Fellowship Associate) Texas A&M University. All comments and questions can be directed to

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