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pHun with Cabbage


Source Institutions

    COSI

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pHun with Cabbage

In this chemistry activity, learners will test the pH of various foods and household substances using cabbage. They will explore the concept of acidic and basic chemicals, learn that pH is a common measure of acidity, and explore various common uses of acids and bases.

Quick Guide


Preparation Time:
5 to 10 minutes

Learning Time:
10 to 30 minutes

Estimated Materials Cost:
$5 - $10 per group of students

Age Range:
Ages 8 - 11

Resource Types:
Activity, Experiment/Lab Activity

Language:
English

Materials List (per group of students)


  • 1 head of red or purple cabbage
  • 1 gallon very warm water
  • Craft sticks
  • Kitchen chemicals to test, such as lemon juice, baking soda, window cleaner, clear soda pop, vinegar
  • Pipettes or droppers
  • Small cups

Subjects


  • Physical Sciences
    • Chemistry
      • Acids and Bases

Informal Categories


  • Food and Cooking

Audience


To use this activity, learners need to:

  • see
  • see color
  • touch

Learning styles supported:

  • Involves hands-on or lab activities

Other


Includes alignment to state and/or national standards

Access Rights:

  • Free access

By:

Rights:

  • All Rights Reserved, COSI Columbus, ©2009

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