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This fun and simple hands-on astronomy activity lets learners build a scale model of the universe with little more than adding machine tape.

In this activity, learners thread gumdrops together to make a model of a polymer.

This fun hands-on astronomy activity lets learners explore models of the Milky Way and other galaxies to get a sense of relative distances to other galaxies.

Most people break at least two bones in their lifetime. In this activity, learners will use celery stalks to model the many ways that bones can fracture.

In this activity, learners get hands-on with geometry by making a polyhedron kitty sculpture.

This is a classic exercise for visualizing the scale of the Solar System.

In this activity, learners make a model of a one-way heart valve to investigate how a heart controls the direction of blood flow.

In this activity, learners explore how eating unhealthy food can damage a heart and arteries.

Learners will construct a model of a heart valve using a film canister, a piece of masking tape, and a piece of paper.