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In this activity, learners make their own edible DNA double helix out of candy and find out about the shape of DNA.

In this activity (last activity on the page), learners make a model of the eardrum (also called the "tympanic membrane") and see how sound travels through the air.

In this activity (located on page 5 of PDF), learners work in groups to create dig sites for display.

In this activity, learners make balloon models of disease-causing bacteria.

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