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

In this activity, learners use two different techniques to estimate how many little things fit into one bigger thing.

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

In this activity (1st activity on the page), learners explore their sense of taste and the structure of the tongue by taste-testing various foods.

In this activity, learners create an electrical circuit and investigate how some dissolved substances conduct electricity.