This is the first of a four-part series on the water cycle, which follows the journey of water from the ocean to the atmosphere, to the land, and back again to the ocean. Students review the video and answer questions.
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This mini-lesson features time-series graphs of monthly averaged salinity, temperature, or density from the surface down to 1500 meters (4921 feet) for six different locations along the northern and southern Atlantic Ocean. A series of questions guides students in their analysis.