🎃 Exploding Jack-o-Lantern Pumpkin Science Experiment for October

This outrageously FUN exploding pumpkin experiment preschool is the perfect way to sneak in some excitement and learning into October. Use this halloween science experiments for kids of all ages from toddler, preschool, pre-k, kindergarten, first grade, and 2nd grade students. This exploding pumpkin experiment is super simple to try using common materials you already have in your kitchen! Let’s add a little chemistry to your halloween theme with this memorable pumpkin science experiments.

exploding pumpkin experiment preschool

Kids will go nuts over this easy autumn science activity for preschoolers, kindergartner, toddlers, and grade 1 students that they will want to try over and over and over again! To make the pumpkin explode children will use a couple simple kitchen supplies to create a baking soda and vinegar science experiment. Get ready for giggles of excitement as the snowman gets bigger and bigger before it POPS! Use this halloween activity for kids during October for a fun harvest and Halloween Science.

We have lots more preschool activities and halloween activities to choose from! Don’t miss our cute ghost handprint craft, free halloween worksheets for preschool, easy spider name craft, and puffy paint pumpkins project.

Sandwich size ziplock bag (or larger if you want to double it for double the fun!) - the slide ones are quick and easy or little fingers! vinegar orange food coloring (optional) baking soda paper towel black sharpie

halloween science experiments for kids

To complete fall science experiments all you need are these simple supplies you already have in your kitchen.

Supplies:

Sandwich size ziplock bag (or larger if you want to double it for double the fun!) – the slide ones are quick and easy or little fingers!
vinegar
orange food coloring (optional)
baking soda
paper towel
black sharpie

I suggest doing this project outside to make sure you dont’ make a mess =)

exploding pumpkin experiment

Carefully use a sharpie to draw on a simple jack o lantern face including eyes, nose, and mouth.

HINT: Be careful as sharpie markers are PERMANENT so they should be used with close supervision.

exploding pumpkin

Put 3 teaspoons of baking soda in a paper towel, wrap up into a pouch.

HINT: You can add more baking soda for a bigger reaction!

pumpkin jack experiment

Put vinegar and fod coloring in a measuring cup or bowl.

exploding pumpkins

Put the baking soda wrapped paper towel in your ziplock bag but hold to the side. Now quickly pour in 1-2 cups of distilled white vinegar into your pumpkin ziplock bag.

halloween science experiments

Quickly seal the bag as the chemical reaction between the baking soda and vinegar is about to occur which will result in Carbon Dioxide. This CO2 gas will begin to fill the bag more and more until the bag cannot tolerate being stretched any more and BANG!

HINT: You will probabaly want to do this project outside as it can make a mess!

This outrageously FUN Exploding Pumpkin is a fun halloween science experiment for kids of all ages from toddler, preschool, pre-k, kindergarten, first grade, and 2nd grade students. This pumpkin activity is super simple to try using common materials you already have in your kitchen! Use this halloween activities to teach kids a little chemistry with this baking soda and vinegar experiment as part of your pumpkin theme or halloween theme in October.

pumpkin science experiments

So how does this simple chemistry experiment for kids work? As baking soda, or sodium bicarbonate, mixes with vinegar, carbon dioxide is created. The bag starts to fill with carbon dioxide (and that’s why you see the bag start to swell up) until the pressure is too much and … BOOM!

before you try this easy preschool science experiment ask them to guess what will happen (called a hypothesis)
Try with different size bags
Or have children mix up the amount of vinegar or baking soda and see what happens