Red Cabbage Chemistry

Using the natural pH indicator of red cabbage juice, groups determine the pH of different everyday liquids. As they work, pupils gain an understanding of pH that may help deal with contaminants in the water supply. 

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Instructional Ideas
  • Brainstorm items around the house that would have a similar pH to the test liquids
  • Experiment with combining the liquids to see if paarticipants can achieve a neutral pH 
Classroom Considerations
  • While working around the acids and bases, be sure the pupils use lab safety procedures
  • The sixth part in a series of nine 
Pros
  • The resource provides suggestions to scale the activity to other grade levels
  • Contains assessments to use throughout the activity
Cons
  • None
NGSS