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20+Creative Halloween STEM Activities for Third Grade

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Halloween STEM activities for third grade are a fun way for 3rd graders to explore science, technology, engineering, and math during Halloween!

There is something magical about Halloween when you are in third grade.

You’re finally old enough to understand everything about the holiday, but you’re still young enough to get swept up in the magic of it all.

That’s one of the reasons why third graders are some of my favorite age of kids to work with!

In third grade, kids are curious and love learning about the world, which is why I always love doing Halloween STEM with third grade kiddos!

Halloween STEM activities for 3rd grade are a fun way for 3rd graders to explore science, technology, engineering, and math during Halloween!

This Halloween, why not try out these 3rd grade STEM activities for Halloween?

Third Grade STEM Activities for Halloween that Kids Will Love!

Third graders will have a blast with these Halloween science experimetns for third grade.

How to Do Halloween STEM Activities in 3rd Grade

In third grade, STEM is all about applying scientific thinking and concepts to real-world issues, and learning more about how the world works!

Although these Halloween STEM activities aren’t exactly “real life” they provide a fun hands-on way for kids to explore the world and gain an interest in science!

halloween stem activities for 3rd grade

Third graders will love these hands-on and just a bit silly science experiments and STEM projects which can help them build a love of science that will carry them through the high school years!

My two girls (9th and 3rd grade), have both done STEM activities all their lives and they always excel at science and my eldest is thinking of pursuing a career in a STEM field thanks to a lifetime of hands-on science!

What You Need for Third Grade Halloween STEM Activities

halloween science for 3rd grade

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:

You’ll want to have either large plastic trays (I use this kind), a sensory table, or official STEM bins to put your activities in.

For Halloween specifically, you will probably want some Halloween figures like plastic bugs, eyeballs, or Halloween mini toys.

For the activities listed below, you’ll also want to have on hand:

Don’t forget to pick up a set of Halloween STEM challenge cards!

halloween stem challenge cards

Easy 3rd Grade Halloween STEM Activities

3rd Grade Halloween Science Experiments

Third graders will love these spooky science experiments.

Learn How to Make a Jello Brain Without a Mold and learn about brains during Halloween.

When you’re in third grade, you love slime! This Halloween-Friendly Ghost Slime is one of our favorite recipes.

Make the Halloween Salt Crystallization Experiment and learn about crystals!

If your third graders are into zombies, they will love this Creepy Zombie Slime.

And for kids more into bones, make this Skull Slime Recipe!

3rd Grade Halloween Technology Activities

halloween science activities for 3rd grade

Give your STEM activities a creepy technology twist with these activities!

Third graders will love the magical element of the Spooky Diving Ghost Experiment.

Make a Bubbling Slime Eye of Toad Witches Brew!

Use eyeballs as a building material in the Eyeball STEM Challenge.

Make Boiling Blood Slime and learn how heating can change the properties of a solution.

3rd Grade Halloween Engineering Activities

Build something creepy for engineering this month!

Third graders will love this create Your Own Monster STEM Activity.

Learn about ways to preserve food by making Halloween Monster Eggs.

If your third graders love monsters, they will love these Creepy Monster Science experiments.

Get even creepier with these Creepy Zombie Crafts!

Build a Halloween catapult and let bugs fly!

3rd grade stem activities for halloween

Third Grade Halloween Math Challenges

When it comes to math, third graders are starting to get serious.

But they can still have Halloween fun with it!

Try these Halloween multiplication and division problems!

Teach rounding numbers in a fun way with these Halloween rounding number challenges.

Play this third grade Halloween math game!

Third graders can write their own spooky Halloween math stories.

halloween stem challenge cards

Halloween STEM Ideas for Elementary

20+ Exciting Halloween STEM Activities for Kindergarten

Exciting Halloween STEM Activities for First Grade

14 Not-so-Spooky Halloween STEM Activities for Second Grade

Creative Halloween STEM Activities for Fourth Grade

Halloween STEM Activities for Fifth Grade

Halloween monster headbands

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