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In this activity related to plant biotechnology, learners extract DNA from fruit to investigate how it looks and feels.

In this biology activity (page 5 of the PDF), learners use yarn and sticky labels to build a model of a DNA strand. They discover that DNA is very long, very skinny, and packs well into cells.

In this activity (on pages 34-39), learners make a fairly detailed model of DNA using licorice and gumdrops.

In this activity, learners model directed evolution by making paper fly. Learners construct and fly paper airplanes.

In this activity (on pages 22-33), learners do the kind of work genetic scientists do, sorting and comparing (images of) genetic material strands called chromosomes.

This activity is designed to introduce learners to genes, genotypes and simple inheritance patterns.

This activity (on pages 7-13) has pairs of learners survey an array of similarities and differences between them.