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In this activity, learners discover the principles of edible glass by making a supersaturated sugar solution.

In this activity, learners discover that sand is the major ingredient in glass.

Learners observe different light sources, outdoors and indoors, using prism glasses (diffraction glasses) and color filters.

This is a quick activity (on page 2 of the PDF under Stained Glass Activity) about the "Tyndall effect," the scattering of visible light when it hits very small dispersed particles.

In this activity, learners examine how colored lenses act like filters and absorb all colors of light except for the color of the lenses.

In this activity, learners simulate what happens to a human spine in space by making Sponge Spool Spines (alternating sponge pieces and spools threaded on a pipe cleaner).

Learners explore water adhesion and learn about why water molecules are more strongly attracted to some substances than others.

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