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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.

Extract your DNA from your very own cells! First, learners swish salt water in their mouth to collect cheek cells and spit the water into a glass.

In this activity, learners perform a simulated blood test procedure.

In this activity, learners create a large film of soap and experiment with what can and cannot pass through it.