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Learners create a model of a wetland to observe how it absorbs and filters water from the environment.

In this activity, learners build one or more edible coral polyps and place them together to form a colony.

An estuary is a body of water that is created when freshwater from rivers and streams flows into the saltwater of an ocean.

In this outdoor activity, learners become beachcombers as they walk on a sandy beach in search of evidence of life.

In this activity, learners play NOAA's Carbon Tracker game and discover ways to keep track of carbon dioxide and other greenhouse gases in the world.