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In this activity (4th activity on the page), learners test to see if saliva is necessary for food to have taste.

In this activity, learners make a Benham Top to explore visual illusions and optics.

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 (17th on the page), learners investigate why you cannot see colors in dim light.