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Learners build a filter from old soda bottles and dirt. They create polluted water, and pour it through their filter to clean it.

Create 3D glasses and use them to explore color, light and optics. Fool your brain into 'seeing' three dimensions on a flat surface!

In this four-part activity, learners explore light and sound through a variety of hands-on investigations.

In this activity, learners interact with whale artifacts such as replicas of skulls, bones, teeth, and baleen (hair-like plates that form a feeding filter).

In this activity, learners use gelatin as a lens to investigate the properties of laser light.

Water treatment on a large scale enables the supply of clean drinking water to communities.