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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 simple exploratory activity (1st activity on the page), blindfolded learners try to identify mystery items by smell.

In this matching activity (3rd activity on the page), learners use their sense of smell to match pairs of opaque containers filled with various smelly items like orange peel, roses, or moth balls.

In this activity (4th activity on the page), learners use their sense of smell to rate and arrange containers filled with different dilutions of a scent (like cologne or fruit juice) in order from wea

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.