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Brown Butter: Physical & Chemical Changes

Explore how food transforms through chemical and physical changes by making brown butter rice krispie treats.






3-7 class periods (can squeeze into 2)

active lab time:




- Identify and explore evidence of physical and chemical changes that occur when browning butter and making rice krispie treats
- Consider and model changes in the particles of butter during the process of browning butter (both physical and chemical changes)
- Understand the Maillard Reaction through the lens of Conservation of Matter

science concepts:

chemical changes, physical changes, phase changes, chemical reactions

essential questions:

- How does heat transform the flavor of butter?
- What physical and chemical changes occur when browning butter?
- Why do bubbles form when we brown butter?

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