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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 water activity, learners discover ways to move water across the water table.

In this ocean engineering activity, learners explore buoyancy and water displacement. Then, learners design models of deep sea divers that are neutrally buoyant.

In this food science activity, learners conduct an experiment that demonstrates the importance of light to plants.

Learners design their own experiment to investigate how pollution diffuses through ground material.

In this international citizen science activity, learners measure their night sky brightness and submit their observations into an online database.

In this physical sciences activity, learners explore how passive solar design increases energy efficiency.

In this design challenge activity, learners invent an emergency shelter that can fit a person and is sturdy and quick to build.