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Make your pumpkin ooze goo in this science experiment

I am an interior designer turned DIY / Craft Blogger located in the Indianapolis area!  My passion for interior design grew into a love of creating and one day I knew I needed to start blogging about it!  And I absolutely love it!  I lov...

Wow your kids with this oozing pumpkin project

We love carving pumpkins every Halloween. We have tried everything from simple traditional patterns to intricate and complex designs. We have used both cheap carving kits and expensive tools to carve our pumpkins. This year we wanted to create something different and have a little fun with our pumpkin so we decided to try a fun science experiment that took our normal pumpkin and made it into an oozing pumpkin.

Oozing pumpkins are really fun and simple to create. You will start with a basic carved pumpkin and then create two simple mixtures.

Supplies:

  • 1 medium sized pumpkin
  • 4 squirts dish soap
  • Food coloring (I used about 1/3 bottle of neon green)
  • 4 ounces hair developer, 40 volume (this can be found at beauty supply stores — be sure to get the liquid form, not the cream form)
  • 4 tablespoons instant yeast
  • 1 cup warm water
  • Small plastic bowl or cup that fits well inside of the pumpkin
  • Tools or a knife to carve the pumpkin

Wow your kids with this oozing pumpkin project

Directions:

1. Carve pumpkin

Wow your kids with this oozing pumpkin project

The first thing you need to do is to carve your pumpkin and clean out the inside. You can use a kitchen knife to carve the pumpkin if you like, or a pumpkin carving kit.

After the pumpkin is carved, you will create two different solutions, in two different cups.

Solution #1:

  • Hair developer
  • Dish soap
  • Food coloring

Solution #2:

  • Warm water
  • Yeast

2. Pour in the solutions

Wow your kids with this oozing pumpkin project

Place solution #1 inside of your pumpkin, leaving it in the cup. I used a small plastic cup that I could throw away after using. But any type of cup or bowl would work.

Quickly pour solution #1 and #2 into the pumpkin. Immediately place the lid back on the pumpkin and watch how quickly your pumpkin goes from a traditional, boring carved pumpkin to an ooey gooey oozing pumpkin.

Depending on the size of your pumpkin, you may need to adjust your solution quantities. I used a medium sized pumpkin and the above proportions created the perfect amount of ooze. So if you have a smaller pumpkin you can make less solution. But if you have a larger pumpkin, I would make more of both solutions to ensure that you have lots of foam oozing out of your pumpkin.

3. Watch the fun unfold

Wow your kids with this oozing pumpkin project

This experiment is really quite simple and fast. The most time consuming part is carving your pumpkin. But after it is carved, the rest of the experiment is quick and fun.

Wow your kids with this oozing pumpkin project

Once this experiment is over, you can clean out your pumpkin and use it as a Halloween decoration.

Wow your kids with this oozing pumpkin project

More DIY ideas

Paper crafting with kids
Clothespin kitty cat craft
DIY sandals made with a scarf

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