Make Halloween even more amazing with these Halloween STEM activities for kids. Use the spooky season to explore science, engineering and math with these hands-on activities and experiments.
The Halloween Activity Pack is perfect for this time of the year. These educational printables help preschoolers and kindergarteners learn through hands-on play. Check it out today.
Disclosure: Adult supervision is required for all activities at all times.
Halloween STEM Activities
1. Halloween Potions Science Activity
Get ready for a spooky adventure with this Halloween potions science activity for kids! Let them create their own bubbling cauldrons with the help of this simple chemical reaction.
2. Halloween Roll and Graph
Teach math skills the fun way with this Halloween roll and graph printable! Perfect for preschoolers and kindergarteners to try this time of the year.
3. Halloween Potions Math Game
Get young minds excited about learning with this free Halloween potions math game! Perfect for preschool and kindergarten to practice counting, number recognition, one to one correspondence and more.
4. Halloween I Spy
Looking for a fun Halloween activity? Try this free printable Halloween I Spy game! It’s a great way for young kids to develop math skills or for older kids to have a much needed brain break.
5. Fizzy Bones
Make your own bones that fizz and bubble away. This is a fantastic science lesson that is perfectly safe for toddlers and preschoolers to do, but will still be a huge hit with kids of all ages.
6. Ghost Volcanoes Halloween Science
Ghost Volcanoes: Watch as ghost cups erupt like volcanoes in this Halloween season science activity.
Photo: Frogs and Snails and Puppy Dog Tail
7. Building Structures with Candy Pumpkins
Design, build, and create candy pumpkin structures. This is the perfect way to show kids the engineering design process through hands-on play.
Photo: Lemon Lime Adventures
8. Ghost Balloons
Unleash the spooky side of science with ghost balloons! Perfect for Halloween, this fun experiment lets kids explore chemical reactions with simple supplies.
Photo: Preschool Powol Packets
9. Spider Bots
Learn how to make your very own spider bots. These creepy creations are perfect if you need an engineering project where kids can build their own spiders.
Photo: Raising Lifelong Learners
10. Sinking Pumpkins
Explore the density of liquids with a fun challenge to sink candy corn marshmallows. Perfect for a fun Halloween STEM activity.
Photo: Lemon Lime Adventures
11. Dissolving Candy Pumpkins
If you’re looking for simple science lessons to try this October, then try dissolving candy pumpkins. This is an easy way to see the effect that a simple household ingredient can have on candy.
Photo: Lemon Lime Adventures
12. Halloween Shadow Puppets
Make your own Halloween themed shadow puppets and learn all about light and shadows. This is one of the best Halloween STEM activities to do with young children who are just getting into all of the spooky fun.
Photo: Science Sparks
13. Candy Corn Catapult for Halloween
Building a candy corn or a pumpkin catapult is always a fantastic STEM challenge for kids. All you need to build this simple machine are a few rubber bands and craft sticks.
Photo: Joy in the Works
14. Halloween Oobleck Spider Game
Kids will have so much fun making their own spidery oobleck. Oobleck is always a hit with kids of all ages. They just love experimenting with how this non-newtonian fluid reacts differently depending on how much stress you put it under.
Photo: STEAM Powered Family
15. Building Bone Bridges
Use cotton buds and tape to make your very own building blocks that look like bones. This is a fun twist on classic bridge building design challenges. Perfect if you want Halloween STEM ideas that encourage kids to explore the engineering side.
Photo: Little Bins for Little Hands
16. Shrunken Heads
Here’s a halloween science experiment that kids will love. Turn apples into shrunken heads, and learn all about food preservation at the same time.
Photo: Share it! Science
17. Spider Drawing Robot
Build a spider robot that can draw. This is one of many amazing ideas you can try to teach kids about electrical circuits this spooky season.
Photo: Science Sparks
18. Levitating Ghosts
Use the power of magnets to make a ghost levitate in spite of gravity. This is always one of our favorite holiday activities. The kids just love seeing how they can make their ghosts move in different ways without even needing to touch them.
Photo: Science Kiddo
19. Fruit Battery Using Pumpkins and Squash
How much electricity is inside a pumpkin? Create your own pumpkin battery and find out. This is a great idea if you’re looking for Halloween STEM projects to try with your students.
Photo: STEAM Powered Family
20. Dancing Ghosts
Make your ghost dance around with the help of static electricity. Younger students will think that you’re magic if you show them this amazing science idea.
Photo: Inspiration Laboratories
21. Oozing Pumpkins
No list of Halloween STEM activities is complete without a classic oozing pumpkin experiment. With three different ways to make the reaction, you can choose what’s the best way for you to make your own erupting jack o’lantern.
Photo: Team Cartwright
22. Haunted Halloween Hand Melt Experiment
Learn how salt helps to melt ice with this Halloween hand experiment. This is perfect if you want to show your kids how simple materials can be used for so many different things.
Photo: Happy Hooligans
23. Halloween LEGO Task Cards
Grab your copy of these printable Halloween themed lego task cards. Lego is a classic building material that never goes out of style. Fortunately, we can use it over and over again for some holiday fun.
Photo: Little Bins for Little Hands
24. Magnetic Ghosts
Use paper clips and magnetic wands to make your own magnetic ghosts. This activity is so easy that it’s perfect for preschool lesson plans. Get your kids to make their own ghosts and show them how to use the wand to make them fly around. The kids will have a great time and can experiment with different sized ghosts to see how the different sizes affect the ghosts ability to fly.
Photo: Science Sparks
25. Halloween Candy Dispenser Project
Make your own candy dispenser for Halloween. This is a fun STEM project that will get kids to practice critical thinking, how to work as a small group and more.
Photo: STEAM Powered Family
26. Vanishing Ghosts
Did you know that you can make ghosts out of packing peanuts? Better yet, you can then see if you can get the ghosts to disappear with a little help from science. This science activity is the perfect opportunity to get toddlers and preschoolers excited about learning.
Photo: There’s Just One Mommy
27. Halloween Paper Circuits
Make these Halloween pictures with glowing eyes and watch as they glow in the dark. These halloween themed paper circuits are always a favorite amongst older kids this time of year.
Photo: Teach Beside Me
28. Flapping Bat Wings
Learn all about bats and their wings with this flapping bats wings activity. You can even grab the printable template to make your own bats with your kids.
Photo: Teach Beside Me
29. Halloween Skittles Experiment
Use a few skittles or M&Ms to make halloween themed activities. There’s no better way to enjoy Halloween candy than by using it to learn some science with this Halloween skittles experiment.
Photo: STEAM Powered Family
30. Halloween Candy Grabber STEM Challenge
Can you make your own candy grabbers? You’ll need a few extra tools to get this activity ready, but once you do your kids will love it. Use this idea for halloween STEM challenges or even as fun things to try at your next Halloween party.
Photo: Science Sparks
Are you going to try any of these Halloween STEM activities with your kids?
Don’t forget to pin the idea for later.
