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How to Make a Pumpkin Volcano

by | Sep 11, 2025 | Recipes

Just in time for Halloween, this is an entertaining and simple activity for children of all ages and a great way to extend Halloween celebrations during the first week of November with leftover jack-o’-lanterns. It’s also a great time to remind kids that pumpkins are plants that grow as a vine. Along with squash and cucumbers, pumpkins are part of the plant family Cucurbita.

What you will need:

  • A small pumpkin
  • Baking soda
  • White vinegar
  • Red food coloring
  • Dish-washing liquid soap

What to do:

  1. Remove the top of the pumpkin and hollow it out by removing all of the seeds and loose pulp. Carve a face or other design if you like.
  2. Place the pumpkin on a tray or protected surface because this is going to get messy.
  3. Pour about ½ cup of baking soda inside the pumpkin.
  4. Squirt some dish soap over the baking soda.
  5. Add a few drops of food coloring to a cup of vinegar.
  6. When you are ready, pour the colored vinegar into the pumpkin and enjoy the show.

You can repeat this as many times as you like.

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