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In this activity, learners make a solar oven. Learners witness the awesome power of the sun to make a yummy treat--a chocolate chip cookie!

In this physics activity, learners will gain a better understanding of how friction, inertia, and mass affect objects.

Everybody loves messy science, and Flubber is a favorite of both COSI employees and guests!

In this fun and delicious chemistry activity (page 1 of the PDF), learners will explore the difference between physical and chemical change by making homemade ice cream.