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In this activity, learners dissect a piece of pizza to learn about nutrients important for health.

In this activity, learners investigate the touch sensory system and discover how to plan and carry out their own experiments.

In this activity, learners investigate color vision as well as plan and conduct their own experiments.

In this activity, learners investigate the olfactory system by conducting several experiments.

In this quick activity, learners take a balance challenge to measure their average balance time. As they collect data, they investigate how practice and repetition improve their balance time.

In this activity (page 26 of the PDF), learners make observations, formulate hypotheses and design a controlled experiment, based on the reaction of carbon dioxide with calcium hydroxide.