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Ricotta: Solubility (HS)

Explore the science of precipitation and solubility through curd formation and homemade ricotta.

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grade:

9

11

time:

1-2 class periods

active lab time:

30

minutes

objectives:

- Observe how adding an acid chemically changes milk
- Explain how curds form using principles of solubility, charges, and precipitation.
- Describe how curds form on a molecular level and consider factors impacting curd formation

science concepts:

solubility, acids and bases, measurements, chemical changes, intermolecular forces, cheese

essential questions:

- How does milk chemically change when it curdles?
- How does solubility relate to cheesemaking?
- How do quantities and concentrations of acids impact curd formation?

how did it go?

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