Squash Volcanoes


This green lava flowing from a small squash was soooo… exciting to create!


Materials Needed:

  • Small Squash
  • Vinegar
  • Baking soda
  • Liquid dish soap
  • Food coloring(optional)
  • Knife for craving
  • Spoon to remove seeds



Start by cutting a hole in the top of the squash…. children enjoyed the idea of having a small pumpkin easy to carve. You can get any kind. I also saved the pumpkin seeds for a later project to make a Fall Tree with colored pumpkin seeds.


Next remove all the seeds, messy but fun! this is a good practice for “carving pumpkin exercise” as well as a good sensory play.


Pour vinegar into the squash unitl it is about 3/4 full. Add a few drops of food coloring and liquid dish soap.


Add 2 Tablespoons of baking soda and step back from the eruption!

Children enjoyed doing this over and over again, adding their own combinations.




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