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In this activity about olfaction (9th activity on the page), learners smell 10 different items with different odors, including some edible food items.

This guide outlines how to plant a garden even if you don't have a yard!

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.

Although we may not admit it, all humans fart or pass some gas. In this activity, learners make their own model to mimic food passing through intestines and discover what releases gas.

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.

Do grapes, yes the grapes from the grocery store, move in the presence of a very strong magnet?

In this outdoor activity, learners find the swollen bumps known as "galls" on various plants and get a closeup look at the parasitic animals living inside.

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

In this activity, learners investigate vitamin C.

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.

Learners add drops of alginate solution to a solution of calcium chloride. The alginate does not mix with the calcium chloride, but forms soft gel beads.

In this activity, learners investigate the food, water, and space needs of common livestock animals.