This NASA visualization shows sea surface salinity observations (September 2011-September 2014). Students review the video and answer questions.
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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.
How much do you know about the frozen poles of our home planet?
Students move through a series of short activities to explore and evaluate global solar radiation data from NASA satellites. In this process, students make qualitative and quantitative observations about seasonal variations in net energy input to the Earth System.