Red Cabbage pH Indicator: Natural Acid-Base Chemistry Experiment
Overview
Teaches pH scale and acid-base indicators. Natural chemistry showing anthocyanins as pH indicators.
Why Do This Experiment?
This experiment teaches key concepts in Chemistry.
Materials Needed
- •Red cabbage(1)
- •water(1)
- •pot(1)
- •test tubes(1)
- •various household acids and bases(1)
Step-by-Step Instructions
- 1
1. Boil red cabbage to extract juice
- 2
2. Divide juice into test tubes
- 3
3. Add different substances (vinegar, baking soda, lemon juice)
- 4
4. Observe color changes from red (acid) to green (base)
The Science Behind It
Teaches pH scale and acid-base indicators. Natural chemistry showing anthocyanins as pH indicators.
Learning Outcomes
- ✓Understand basic chemistry concepts
- ✓Develop observation skills
- ✓Learn through hands-on experimentation
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