Baking Soda: Chemical Reactions (MS)
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This is a required assessment for the Science & Cooking for Educators Program.
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Overview
time:
5
-
10
class periods
standards:
5-PS1-2, 5-PS1-3, 5-PS1-4, MS-PS1-1, MS-PS-2, MS-PS1-5
science concepts:
chemical reactions, conservation of matter, chemical changes
Summary
Explore what makes baking soda “work” and what happens when it works through a series of investigations and a simple kefir flatbread or pancake recipe.
This lesson was recently updated.
Update Date:
Summary of Updates
Version 3 (V3) Updates (as of June 2025)
New Activities:
● Lesson 1.1- initial model
- Optional muffin lab to use in place of pancake lab (Lesson 1.1)
● Lesson 1.2- new Investigation 1 [Video]: Did heat produce gas?
● New Lesson (Lesson 1.5 What is the gas?)
Modifications:
● Reordered lesson sequence heavily; many activities are the same but in slightly different order (e.g. Pancake lab is now in Lesson 1.1 and What activates baking soda is in Lesson 1.3)
● More scaffold modeling for Bubbles in a Bag Lab (Lesson 1.4)
Version 3 (V3) Updates (as of June 2025)
New Activities:
● Lesson 1.1- initial model
- Optional muffin lab to use in place of pancake lab (Lesson 1.1)
● Lesson 1.2- new Investigation 1 [Video]: Did heat produce gas? If students think gas production is due to heat, this rules this out.
● New Lesson (Lesson 1.5 What is the gas?): Students do gas tests and learn about different gases and how to distinguish them using properties like flammability and density; provides opportunity to go over simple molecules and chemical formulas
Modifications:
● Reordered lesson sequence heavily; many activities are the same but in slightly different order (e.g. Pancake lab is now in Lesson 1.1 and What activates baking soda is in Lesson 1.3)
● More scaffold modeling for Bubbles in a Bag Lab (Lesson 1.4)
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Simulations for this Lesson
Tea and Temperature
Modeling Smell
How is Tea Made?
Comparing Gases & Liquids
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