Halloween STEM activities for kindergarten are a fun way for kinder kids to explore science, technology, engineering, and math during Halloween!
This is the perfect way to explore kindergarten STEM activities and kindergarten science experiments during Halloween.

If you need even more STEM activity ideas, try this list of creative STEM activities or simple science experiments!
Kindergarten STEM Activities for Halloween that Kids Will Love!

If you are teaching kindergarten this year, running a STEM club, or doing at-home STEM activities with your kindergarten child, you’ll have a lot of fun introducing science concepts to them using these Halloween STEM activities!
How to Do Halloween STEM Activities in Kindergarten
In kindergarten, science and STEM activities are all about exploring concepts and learning to understand how the world works.
A lot of STEM activities in kindergarten explore things like the senses, the seasons, and life cycles.
During October, you can tie many of the concepts of kindergarten science into the Halloween season.
Keeping it light, fun, and hands on is the best way to help kindergarten kids develop a love of science.
What You Need for Kindergarten Halloween STEM Activities
When you are doing Halloween STEM activities with kids, you’ll need some fun spooky items in addition to regular basic STEM activity supplies.
Here are the basic STEM supplies we like to use:
The Mason Jar Scientist: 30 Jarring STEAM-Based ProjectsCreative Kids Flakes – 600 Piece Interlocking Plastic Disc Set for Fun, Creative Building – Educational STEM Construction Toy for Boys & Girls – Non Toxic, Ages 3+
Straw Constructor STEM Building Toys 300 pcs-Colorful Interlocking Plastic Enginnering Toys- Fun- Educational- Safe for Kids- Develops Motor Skills-Construction Blocks- Best Gift for Boys and Girls …
CoolToys Monkey Balance Cool Math Game for Girls & Boys | Fun, Educational Children’s Gift & Kids Toy STEM Learning Ages 3+ (65-Piece Set)
Learning Resources Code & Go Robot Mouse, Coding STEM Toy, 31 Piece Coding Set, Ages 4+
DK Workbooks: Science, Kindergarten: Learn and Explore
TinkerActive Workbooks: Kindergarten Science
Scientific Explorer My First Mind Blowing Science Kids Science Experiment Kit
Learn & Climb Science Kit for Kids – 21 Experiments Science Set, Hours of Fun.
UNGLINGA Kids Science Experiment Kit with Lab Coat Scientist Costume Dress Up and Role Play Toys Gift for Boys Girls Kids Age 5 – 11 Christmas Birthday Party
Learn & Climb Kids Science Kit – Over 60 Experiments, Fun with Science!
4M 5557 Crystal Growing Science Experimental Kit – Easy DIY STEM Toys Lab Experiment Specimens, A Great Educational Gift for Kids & Teens, Boys & Girls
Discovery Extreme Chemistry Stem Science Kit by Horizon Group Usa, 40 Fun Experiments, Make Your Own Crystals, DIY Glowing Slime, Fizzy Eruptions, Gooey Worms & More
Crayola Color Chemistry Set For Kids, Gift for Age 7+
And here are some Halloween additions to make it fun!
Don’t forget to pick up a set of Halloween STEM challenge cards!
Easy Kindergarten Halloween STEM Activities
These Kindergarten Halloween activities are a breeze and super fun for kindergarten aged kids.

Kindergarten Halloween Science Experiments
Start your little scientists off right with these spooky science experiments.
Teach kindergarten kids the importance of hand washing with the Hand Washing Science Experiment.
Kinder kids will love this “Brain Surgery” twist on the Leak Proof Bag Experiment.
Learn about the parts of a pumpkin with this fun DENSITY COLUMN EXPERIMENT.
Create an easy Halloween Science Lab by following these kinder-safe directions!
Kinder Halloween Technology Activities
Bring technology to the kindergarten classroom with these activities.
Design your own Halloween catapult and learn a bit about the physics of catapults and shooting candies (or whatever else you want to try!).
Make a Bubbling Slime Eye of Toad Witches Brew and explore non-Newtonian fluids and thickening agents.
Try these Halloween Fine Motor Activities and help kindergarten kids strengthen their hands and bodies for writing.
Kindergarten kids still love sensory activities. These Halloween Sensory Activities are some of our favorites!
Kinder Halloween Engineering Activities
Let kinder kids try their hands at engineering and design with these projects.

Design your own pumpkin with this fun 3D Pumpkin Craft!
Build a Cotton Swab Skeleton and learn about bones and the body this October.
Build Your Own Monster and have fun learning about how bodies are used.
Try these other Monster Science and STEM Activities!
Kindergarten Halloween Math Challenges
Even kindergarten kids will love bringing a bit of spooky fun to math class!

Make this Halloween math book.
Explore the spooky season with this Halloween color by math exercise.
Little kids will love this Halloween math game.
If kinder kids aren’t afraid of ghosts, they will love these Halloween ghost games.
If you need even more Halloween STEM ideas…
We also have Halloween STEM for first grade, Halloween STEM for 2nd grade, Halloween STEM for 3rd grade, Halloween STEM for 4th grade, Halloween STEM ideas for 5th grade, and middle school Halloween STEM activities!
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