Love pumpkins and want to do more with pumpkins than just carve them or make pumpkin muffins, check out our totally awesome real pumpkin STEM activities below. Our pumpkin activities are easy to do and don’t require any specialty items, just pumpkins and a few pantry ingredients or craft supplies.

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What Can You Do For Pumpkin STEM?

These pumpkin theme STEM projects below are perfect for multiple age groups to enjoy and learn something from! Whether you choose to make an erupting pumpkin, play with pumpkin oobleck, or turn a pumpkin into a geoboard, there is a fun pumpkin STEM activity for everyone!

These engaging, hands-on science activities and pumpkin STEM challenges invite kids to explore, test, think, observe, and discover! Learn more about STEM below and check out our list of helpful STEM resources.

We have made these pumpkin projects easy to set up and budget-friendly, so you actually have time to try a few or all of them! I know life is busy and time is limited, but you can give kids a fun taste of science just the same with pumpkin STEM activities.

Check out your local dollar store and craft store for great items to use for your fall activities. Each season we add a couple of new items! Simply clean off your items, store in zip-top bags, and place in a storage bin for use next year! Also check out our must have printable STEM supplies list!

You can find out complete list of fall STEM activities for kids here.

Awesome Pumpkin STEM Activities To Try

FIVE LITTLE PUMPKINS STEM CHALLENGE

Can you get five little pumpkins to sit on a gate? Design and engineer your own gate to go along with this classic counting book.

PUMPKIN MATH ACTIVITIES (FREE WORKSHEETS)

Try these fun pumpkin math activities measuring the weight and circumference of your pumpkin. Included are free pumpkin math worksheets to download and print.

PUMPKIN CLOCK STEM PROJECT

Who knew a pumpkin could power a clock! Build your own pumpkin clock with a kids’ clock kit and learn how batteries work with this fun STEM project.

PUMPKIN VOLCANO & MINI PUMPKIN VOLCANOS

A classic baking soda science experiment with a pumpkin either one big one or a few small ones!

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Pumpkin Volcano

PUMPKIN INVESTIGATION TRAY

Explore the insides of a pumpkin with a pumpkin investigation or observation tray for real pumpkin STEM!

Then throw the leftovers from your observation tray into a zip lock bag for a fun Pumpkin Sensory Bag.

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PUMPKIN SLIME IN A PUMPKIN

This is an easy to make slime recipe, and for even more fun you can make it inside a pumpkin!

PUMPKIN OOBLECK

Whether you call it goop, gunk, or oobleck, this non-newtonian fluid is great science and easy to make. Why not make it in a pumpkin!

PUMPKIN LEGO BUILDING

Turn a pumpkin into a new LEGO world. It’s a must see! Grab our printable Fall LEGO STEM Challenge cards for more building ideas!

LEGO Pumpkin Play Small World Minifigures ConstructionPin

PUMPKIN JACK EXPERIMENT

A carved pumpkin will rot. Why does it? Pumpkin Jack is a great book to pair with your rotting pumpkin.

PUMPKIN PULLEY

Design your own simple machine for hauling pumpkins. Check out these ideas for designing and setting up a pulley system.

Pumpkin pulley simple machine for a great fall STEM project that encourages kids to play with physicsPin

PUMPKIN CATAPULT

Design and build a simple Popsicle catapult and see how far you can throw your mini-pumpkins.

PUMPKIN GEOBOARD

Check out how you can make a geoboard out of a pumpkin. We used a white pumpkin but of course you can use an orange one too!

ROLLING PUMPKINS

Set up your own ramps and investigate the simple physics of rolling pumpkins.

Printable Pumpkin Worksheets

Life Cycle Of A Pumpkin

Learn about a pumpkin life cycle with these fun life cycle of a pumpkin worksheets! Find out how many stages there are in growing a pumpkin and the parts of a pumpkin.

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Fall Would You Rather Questions

Have some fun with your kids with these printable would you rather questions for Fall. Great for conversation starters or small group activities.

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Pumpkin Coloring Page (Science Theme)

These fall coloring pages explore the anatomy of fall and make the perfect addition to either your next science or art lesson! Learn about the parts of an apple, pumpkin, and leaf with these free printable fall coloring pages. Great for preschoolers as well as elementary age kiddos.

Bonus: Pumpkin Art & Crafts

Click on each image below to enjoy pumpkin art and craft projects this season. Each pumpkin activity includes a free printable too! 

Explore More Fall Science

Click on the images below for more Fall theme science activities.

Printable Pumpkin STEM Pack

Perfect for K-2/3rd Grade and homeschool! Many activities can be modified for preschool and older kiddos as well. 

Pumpkin is a festive and classic theme for fall and this pack is perfect for exploring pumpkins with a non-Halloween theme! Includes science, STEM, engineering, early math, and art projects.

The kids will have a blast trying 100+ pages of “totally doable” projects! Read more here.

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