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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 activity, learners examine how polarized light can reveal stress patterns in clear plastic.

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