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In this activity, learners imitate the way vocal cords work by building a model from a plastic cup, rubber band, and a straw.

In this activity, learners make a 3-D model of DNA using paper and toothpicks. While constructing this model, learners will explore the composition and structure of DNA.

In this activity, learners create a model using metric measuring tapes and atmosphere composition data.

In this activity, learners create a large film of soap and experiment with what can and cannot pass through it.

In "Chemistry Makes Scents," participants use their noses to distinguish between chemicals with very similar structures.