After burning a batch of cookies, Zoey is determined to find out why heat makes some things melt and others burn - or even explode! A scientist guest will explode Gummi bears and shoot a tennis ball from a cannon, while Zoey finds out why cooking makes food easier to digest. Big Idea in STEM: Heat can change things in amazing ways - from changes of state and explosions to the heating of our atmosphere. Heat energy affects many aspects of life on Earth.

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The Big Question: “Why does heat make food cook?” MY GREAT CHALLENGE: Challengers compete to see who can generate the most heat using friction. IN THE FIELD: Zoey visits a confectioner to understand how sugar melts and hardens into candy. Mmmmà.