Erupting Volcano

Have a great time making an eruption volcano! Using simple household ingredients you will be able to create a variety different types of eruptions. Be a scientist and experiment with different combinations of ingredients and test the results.

Kids watching model volcano explode

Ingredients

  • Vinegar
  • Bicarb soda
  • Food colouring

Equipment

  • Empty spay bottle with cone shape
  • Small plastic bottle
  • Spoon
  • Tray or plastic mat

Method

  1. ¾ fill bottle with vinegar
  2. Add 5 drops of food colouring
  3. Optional – add a squirt of dishwashing liquid
  4. Mix 1 tablespoon of bicarb soda with water
    1. Just enough water so you can poor the bicarb as a liquid
  5. Pour the bicarb mixture into the bottle with vinegar
  6. Step back

Be a scientist and experiment with different amounts of bicarb and vinegar to make the biggest eruption!

Gas Balloon

  •  Vinegar
  • Bicarb soda
  • Food colouring
  • Balloon
  • Small plastic bottle

Method

  • ¾ fill bottle with vinegar
  • Add 5 drops of food colouring
  • Add 2 teaspoons of bicarb soda into the balloon – use a funnel to make it easier
  • Carefully stretch the balloon over the neck of the bottle
  • Hold the balloon on the neck of the bottle and shake the bicarb soda into the  vinegar
  • Step back

Australian Environmental Education logo with dragonfly