20+ Halloween STEM Activities for Preschool and Kindergarten

Halloween time is SO MUCH FUN for kids! Theme your October activities this year with Halloween STEM and STEAM to keep your kids creating with these hands-on activities. This set of Halloween projects is perfect for your kids. They are going to explore pumpkins, build with Halloween candy, and create beautiful creations with all things STEM!

Halloween STEM for Preschool and Kindergarten

Fall Projects and Halloween STEM Activities

Fall is a fantastic time for engaging in hands-on projects and STEM activities that celebrate the season and incorporate Halloween-themed fun. From creating pumpkin catapults and exploring the science of candy corn to designing spooky slime and constructing haunted house structures, there are endless opportunities for children to explore concepts in science, technology, engineering, and math while embracing the festive spirit of fall and Halloween.

These activities not only encourage creativity and critical thinking but also provide an exciting way for kids to learn through experimentation and play during this colorful and festive time of year.

Pumpkin Activities

A variety of cool Pumpkin Investigation with activities and free printables

Just for fun this October learn how to make Pumpkin Slime Guts

Pumpkin Volcano Science Activity Make a pumpkin erupt! Building a pumpkin volcano is just as much fun as it sounds. Use a couple household ingredients to create an eruption. Place your pumpkin in a large bin or do this experiment outside and watch the magic happen!

Kindergarten and Preschool Pumpkin Theme Lesson Plan and Activities

You don’t want to miss these 3 Halloween STEM Activities for Kids. Fun and easy ideas your kids will love.

Halloween STEM Activities

Fall Tinker Tray Setting up an invitation to create is one of the easiest STEAM activities you can. All you need is a tray, some of your favorite pumpkin scented play dough, and any fun materials you have on hand to build something for the fall!

Halloween Pumpkins with Squishy Circuits I’m in love with squishy circuits. They are a great learning tool for your kids and a fabulous addition to your Halloween decor. All you need are a couple of extra pool noodles and a squishy circuit! It’s so easy you’ll wonder why you never tried it.

Pumpkin Bird Feeds Engineer your own pumpkin themed bird feeder out of recycled materials is awesome. This is the perfect project for kids of all ages. I love how easy it is to adapt this to fit the materials you have at home.

Geoboard Pumpkin is simple and easy to create! Add pushpins or small nails to your pumpkin to create a DIY geoboard for your child to explore. Making geoboards like this is a great way for your child to work on their fine motor skills while introducing angles in a fun way!

Dancing Ghosts and Bats Have you ever tried to make a ghost dance? This will show you how. Grab a balloon and tissue paper for this fun Halloween engineering activity. It will keep the kids entertained for hours!

Building Structures with Candy Pumpkins We always enjoy building and creating with candy, marshmallows, and apples. Why not use your favorite candy pumpkins for your next Halloween STEM project? All you will need is a clear space, mini candy pumpkins, and some toothpicks!

Halloween Tangram Math Activity Tangrams are a super cool learning tool for STEM kids! This Halloween build your own spooky creations with tangrams and Halloween themed creations.

Color Changing Chemistry Clock There are a lot of cool things you can create with chemical reactions. I would never have thought of a clock but hey why not 😉 You’ll need to probably order a couple of the special materials, but I hear it’s worth the wait.

Pumpkin Catapults This one is going on the Halloween bucket list this year! All kids love catapults and this year you can create your own Halloween themed catapults to launch your little pumpkins across the room. My kids are going to love this!

Marshmallow and Toothpick Spider Web Spider webs are classic Halloween decor! You can build your own with a couple materials found in your pantry. in your kitchen. Challenge your kids to build their own webs this Halloween season.

Candy Corn STEM Activities I admit that I hate candy corn. BUT for the sake of learning, I would allow some to creep in for this inviting STEM building challenge. All you need is a bag of candy corn and a box of toothpicks. The rest is up to your child’s imagination.

Halloween Engineering Activity: Building a Monster Monsters and Halloween just seem to go together. Grab a couple of materials from your craft box and kitchen to make this invitation to create that will bring out monstrous creativity!

Halloween STEM Challenge: Bone Bridge Build a bridge of bones this Halloween! This challenge will have all your little builders excited. All you need is a box of Q-Tips, craft sticks, and pipe cleaners. Ask your kids to make a bridge that can hold the weight or see who can make the longest bridge without touching the ground. Have Fun!

This Halloween will be the most educational yet with these Halloween STEM Projects on your Fall Activity list!

What are your plans for Halloween STEM Activities?