Make a Volcano

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Make a volcano that erupts and oozes


Earth / Mud & Sand,
Polystyrene cups
Red and yellow food coloring (optional)
Washing up liquid


Take small polystyrene drinking cup and cut it in half about half way up.
Turn the cup upside down, the flip the bottom bit of the cup (which is now at the top) over and place it inside the top bit (which is now at the bottom)
This creates a handy little pot at the top in a nice sturdy stand.

Add two spoonfuls of baking soda
Add about a spoonful of washing up liquid
Add about 5 drops each of the red and yellow food colouring

Now for the eruption!:
Add about an ounce of the vinegar into the container and watch what your volcano come alive.


  • creative
  • messy
  • science
  • scientist
  • volcano

Badge Links

  • Experiment - Experiment
  • Scientist - Vinegar
  • Skills - Problem solving
  • Teamwork - Challenge