Halloween Science, STEM, and STEAM
Here’s a list of some of our favorite Halloween science activities. You’ll find ideas for potions, slime, sensory science, STEM challenges, Halloween STEAM, food science, and more. I’ve also included our favorite Halloween math activities at the end.

Halloween Science Activities for Kids
Potions

Color Changing Fizzy Potions – Use red cabbage indicator to explore pH.

What’s in the Witch’s Kitchen? Science Exploration and Potions Lab

Slime
Super Simple Halloween Slime Recipe

2 Ingredient Glow in the Dark Slime

Halloween Sensory Science
Halloween Baking Soda and Vinegar Explorations

Glowing Oobleck – An Easy Slime Recipe

Pumpkin Oobleck Made with Real Pumpkin



Halloween STEAM
Halloween Robot Spider Craft STEAM Activity



Spider STEM and STEAM Activities for Kids

STEAM Kids Halloween ebook (I am an affiliate for this product, which means I make a commission if you purchase through my link.)

Halloween STEM Challenges
Halloween STEM Stacking Challenge with Erasers

Explore Static Electricity with Dancing Ghosts and Bats

Food Science
Candy Science Experiments – use some of that candy for science experiments!

What’s in the Witch’s Kitchen? Science Exploration

Monster Cupcakes in the Microwave

Creepy Crawlies & Candy Science

More Halloween Science Activities
13 Halloween Science Activities Inspired by a Book

Fluorescent Chlorophyll (pretend vampire blood)


Halloween Lab Set Up for Trunk or Treat

Halloween Math Activities
Here you’ll find our collection of Halloween math activities for kids.

Pumpkin Rescue and Counting Game

Halloween Math Game: Pumpkin Add Ten


Halloween Preschool Learning Games with Cats


Check out our collection of Halloween Craft and Activity Ideas here.
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