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Pancakes & Baking Soda: Chemical Reactions & Limiting Reactants

Explore how baking soda and baking powder work and why amounts matter in recipes through a series of labs using baking soda and pancakes.

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grade:

9

12

time:

3-7 class periods

active lab time:

45

minutes

objectives:

- Identify and explain the chemical reaction that occurs with baking soda and acids
- Apply stoichiometry to analyze recipes that use baking soda
- Explain the difference between baking powder and baking soda

science concepts:

chemical reactions, limiting reactants, theoretical & percent yield, stoichiometry

essential questions:

- How does baking soda work and why do we use it in cooking?
- Why do ratios matter when using baking soda?
- What is baking powder and how is it different than baking soda?

how did it go?

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