10 of Our Favorite Halloween Candy Experiments

Oh, and did we mention? Parents will thank you!

10 Best Halloween Candy Experiments

Kids love candy and kids love science. Why not combine the two and try some of these fun, easy Halloween candy experiments that will not only get your kids excited about science, but help empty that plastic bucket!

1. Make a Skittles rainbow!

This isn’t just a cool science experiment, it’s like a beautiful art project! Simple (just two ingredients) and quick.

Halloween Candy Experiments

SOURCE: Little Bins for Little Hands


2. Take the candy acid test.

A simple experiment to test whether or not candy has acid in it. All you need is sour Skittles, water, and baking soda. If the candy has acid, the mixture will bubble and fizz when the baking soda is added.

Halloween Candy Experiments

SOURCE: Play Dr. Mom


3. Dance with gummy worms.

This simple activity is perfect for little scientists who want to see creatures come to life before their eyes.

Halloween Candy Experiments

SOURCE: Playdough To Plato


4. Create an edible solar system.

This awesome hands-on activity is paired with the book Planets by Ellen Hasbrouck. Kids will love constructing their own galaxy on a pan of brownies with leftover Halloween candy. (Ask parent volunteers to provide the brownies).

Halloween Candy Experiments

SOURCE: School Time Snippets


5. Inflate balloons using Pop Rocks and Nerds.

Your students will think they are performing magic with this fun experiment! This version is a fun one, as kids get to try varying amounts of different candies and observe the results.

Halloween Candy Experiments

SOURCE: Learn Play Imagine


6. Instigate a Mentos and Diet Coke eruption.

This amazing experiment is a classic! Your students will love creating Diet Coke geysers as they learn about chemical reactions. Note: Definitely an outdoor activity!

Halloween Candy Experiments

SOURCE: Steve Spangler Science


7.Grow gummy bears.

Little ones will love this Alice in Wonderland style experiment. Using water, salt and Gummy Bears, your students will learn about the process of osmosis.

Halloween Candy Experiments

SOURCE: Playdough To Plato


8. Keep your eye on the disappearing candies!

What makes these candies dissolve the fastest and why? Your students will get a taste of the scientific method as they experiment with different liquids and leftover Halloween candy.

Halloween Candy Experiments

SOURCE: Lemon Lime Adventures Dissolving Peeps and Lemon Lime Adventures Dissolving Candy Pumpkins


9. They’re melting, melting!

Steve Spangler Science shares this activity that experiments with the effect of heat on different types of candy. Your students will be surprised by the different reactions of Smarties, Pixy Sticks, Lifesavers and more! Great activity for teaching predicting and the scientific method.

Halloween Candy Experiments

SOURCE: Steve Spangler Science


10. Take the oil test.

Who knew candy had more than just sugar in it? This experiments using Starburst and heat is eye-opening.

Halloween Candy Experiments

SOURCE: Candy Experiments

Save a little time and money by ordering your candy using Walmart Online Grocery Pickup. Simply shop online at Walmart.com/grocery and select the Walmart store nearest you that offers the online grocery pickup feature (it’s available in over 100 stores nationwide). From your computer or mobile device, fill your virtual cart with all that candy and anything else you might need. Then select a time in your busy day to pull into the reserved pickup parking spot and while Walmart staff load your car.

Do you have any other brilliant Halloween candy experiments? Share in the comments below!


Posted by Elizabeth Mulvahill

Elizabeth Mulvahill is a passionate teacher, writer and mom who loves learning new things, traveling the globe and everything Zen.

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