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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 make a model of the solid Earth's layers that's good enough to eat! Learners use tasty foodstuffs to simulate Earth's inner core, outer core, mantle, and crust.

In this chemistry activity (on page 2 of the PDF), learners make a layered drink with liquids of different densities.

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

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