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In this activity (on pages 18-29) learners explore the impact of the March 24, 1989 oil spill in Alaska caused by the Exxon Valdez tanker.

In this activity, groups of learners work together to create edible models of chemicals involved in autotrophic nutrition.

In this outdoor activity/field trip, learners explore an aquatic site such as a pond, lake, stream, river or seashore to find and investigate plants and animals that live in water.

Educator Amy O'Donnell from the American Museum of Natural History guides learners to create a diorama of a coral reef.