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In this activity, learners make optical fibers out of strips of gelatin.

In this activity, learners review the history of gumball machines and explore potential and kinetic energy, while working in teams to build a gumball slide.

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

Each learner chews a piece of gum until it loses its flavor, and then leaves the gum to dry for several days.

This activity (on page 3 of the PDF under GPS: Sailboat Design Activity) is a full inquiry investigation into design optimization.

Learners follow directions to construct a solar oven that really cooks! The solar oven uses aluminum foil to reflect sunlight into a cooking chamber, which is painted black.