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Learners explore three-dimensional geometric frames including cubes and tetrahedrons, as they create bubble wands with pipe cleaners and drinking straws.

In this activity related to nanotechnology, learners observe some of the effects that result from creating a thin layer of material several nanometers thick.

In this optics/mathematics activity, learners use two hinged mirrors to create a kaleidoscope that shows multiple images of an object.

In this activity, learners construct a device that allows them to look over ledges or around corners.

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

In this optics activity, learners build a spy tool to secretly view things over walls or around corners.