In this activity, students will use sea-level rise data to create models and compare short-term trends to long-term trends. They will then determine whether sea-level rise is occurring based on the data.
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This NASA visualization shows sea surface salinity observations (September 2011-September 2014). Students review the video and answer questions.
How much do you know about the frozen poles of our home planet?
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.