Cone of aluminum foil from the center of which sprouts red foam

Have you ever wondered why baking powder is used in cake batter? Baking powder makes the cake batter fluffy and soft during baking. This is because it releases a gas during baking: carbon dioxide. The experiment shows you how violent the reaction of baking powder with a liquid can be. It works especially well with an acid such as vinegar. See for yourself!

You will need

  • 3 packets of baking powder
  • Half a drinking glass full of vinegar
  • Water
  • Scissors
  • 3 glasses
  • Plate
  • Aluminum foil
  • Adhesive tape
  • Large waterproof base, e.g., a tray
  • (Food coloring)

Let’s get started!

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