This video examines how scientists learn about the effects of climate change on the water cycle and what those effects might mean for our planet.

This is a large format poster of the ten major components of the water cycle, from the National Weather Service. It includes definitions of these major components.

In this activity, students learn about sea ice extent in both polar regions (Arctic and Antarctic). They start out by forming a hypothesis on the variability of sea ice, testing the hypothesis by graphing real data from a recent 3-year period to learn about seasonal variations and over a 25-year period to learn about longer-term trends, and finish with a discussion of their results and predictions.

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