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In this activity related to indoor air pollution, learners build take-home dust catchers with wax paper and petroleum jelly.

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

This activity guide features three related explorations to help learners ages 3-6 investigate shadows via the following science concepts: A shadow is made when an object blocks the light; you can chan

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 activity, learners compare and contrast their own skin (including the area covered) with that of an orange.

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

In this water pollution activity, learners create pond water cultures and investigate the effects of adding chemicals or natural nutrients.