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Many germs spread by our hands, and often times, people don't wash their hands well enough to get rid of germs.

In this activity, learners of all ages will design a functional bird feeder using familiar, every day materials.

In this activity, learners will discover how to make butter from scratch. One optional tips includes adding marbles to speed up the process.

Some animals can swallow food whole, but humans have to chew. In this activity, learners will investigate what saliva does chemically to food before we even swallow.

In this chemistry activity, learners prepare two petri dishes, one filled with water and one filled with milk.

This is a hands-on activity that uses bread and household materials to grow mold. Learners collect dust from a room, wipe it on food, and contain it. One to seven days later, mold has grown.