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In this activity, learners investigate the history and development of agricultural biotechnology.

In this delicious activity, learners get to make, taste-test and compare their own "brands" of homemade strawberry ice cream.

In this activity, learners use Jell-O to explore lenses. Learners cut Jell-O into convex and concave lens shapes and examine how light exits each lens in a darkened room.

In this activity on page 9 of the PDF, learners test how flavoring extracts move through the walls of a balloon.

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

In this activity, learners build models of comets, using edible materials, to learn about comets' structure.