Candy Chemistry

June 16, 2020

Can red cabbage tell you if a liquid or solution is an acid or a base? Believe it or not, yes.

Jill Theroux conducts an experiment that you can do at home to discover the acidity of liquids, solutions, and even candy. But first, you will need make a odiferous indicator solution out of red cabbage. 

Materials | Supplies

  • head of red cabbage
  • grater
  • two pots
  • water
  • strainer
  • small, clear cups
  • eye dropper of small spoon
  • 3 or more substances to test
    • vinegar, baking soda, lemon, juice, milk, soda, candy

Concepts Explored

  • acids and bases
  • scientific terminology
  • observation
  • experimentation

Discovery Starters

What about your discoveries surprised you?

Do the acidic substances have similar traits? 

Did the chemical reaction occur the same way with all substances? Why or Why not?

Explore Further

Test other substances in your home and predict whether they are acid or bases using your observations in this experiment.

Do a taste test of food and predict which are more acidic (sour) or basic (bitter).


Additional Resources

Science Explorers website Teaching Children About Acids and Bases

Amazeum YOU activities Fluffy Slime | Fizzy Fun

Amazeum YOU activity guide Candy Chemistry