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In this activity, learners discover how frogs' bodies change while growing from a tadpole to a frog. Learners create a simple craft that gives a visual display of the metamorphosis process.

This is an activity about lung capacity. Learners will measure their own lung capacity using a homemade spirometer.

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

This fun activity uses simple materials such as milk cartons and mirrors to introduce the ideas of optics and visual perception.

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

Build and test a scale model of a rainforest canopy walkway.

In this activity, learners will create their own coral polyps - the basis for a coral reef.

In this activity, learners will explore how light can refract or break apart into different colors.

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

Learners will explore the chemistry of mucous and its importance to our health by following a process to make their own replica "snot." The activity includes a time and age recommendation, a materials

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