Acid and Base Indicator

• What you need:

• PH test strip (1 booklet)

• White vinegar

• Baking soda

• Plastic cups (x3)

• Purple cabbage ( a few pieces)

• What you will learn:

• What is acid or base

• How to tell acid vs. base

• PH value and how to use PH test strip

• Natural acid and base indicator - purple cabbage