Inspirational ooodles Halloween Science projects, experiments, ideas and seasonal recipes to play to make the most of Halloween for kids this year.
Get ready for lots of messy fun this Halloween with deliciously ewwwy monster slime, plasticine brain surgery, pumpkin goop, slushy hands, candy experiments, spooky noise makers, sparkling eyeballs and more.
Halloween-inspired science experiments and activities for kids
Science doesn’t have to be dull and boring, especially when you mix science with Halloween fun! This Halloween season is a great time of year to do some gooey and messy Halloween science experiments.
It’s a great way to learn, while learning about the scientific method, chemical reactions, air pressure and more!
These are some of our favorite Halloween science experiments and I hope I have a scary time doing them.
Halloween fun and spooky science experiments for kids
Use traditional sweet corn or sweet pumpkins. Either way, this is one of the funniest and most fun science experiments!
Candy Corn Experience
Use sweet corn and the science method to learn more about science with this sweet Halloween science experiment. It’s so much fun! Via KidsActivitiesBlog
DIY Monster Slime
Make a mixture that splashes, sticks, oozes, collapses and stretches !! just one of the awesome recipes to play by Caroline Gravino from Salsa Pie for PBS Parents
Dripping pumpkins
Your children will be fascinated by all the beautiful colorful paint drops! So much fun from There’s Just One Mommy.
Flying tea bag ghosts
Kids’ science doesn’t get any cooler than these fun flying tea bag ghosts! via plasticine to Plato. What a fun way to learn about convection and air pressure.
Squishy pumpkin fun for toddlers and toddlers
It looks like the best goodness, drizzle and slimy. Even moms couldn’t keep their hands out of this! see the magical games group on MeriCherry. It’s such a fun experience, the red slime almost looks like fake blood.
5 messy ways to play brain surgeon
Perfect for Halloween or Mad Scientist parties – I think plasticine surgery is my favorite. via leftbraincraftbrain
Pumpkin Goop / Oobleck
The best gloopy messy seasonal sensory game, starting with pumpkin picking! Check out this fun recipe from sunhatsandwellieboots

Bubbling jelly
Exciting bubbling action that lasts all day – this no-bake recipe is fun to make and play with ¦. fabulous idea from epicfunforkids
Melt Halloween Hands
Salt and Ice Experimenting – awesome activity for kids by Happy Houligans. Watch the kids work together until they get the very last ice cream Halloween gift.
Scary eruptions
Kids love sparkling activities and this one, with a Halloween twist, is sure to delight !! via blogmemom
Jack-o-Lantern Squish Bag for Babies and Toddlers
It only takes about two minutes to assemble, and your kids will love to play with them. The photographs are adorable on fantasticfunandlearning
5 great science experiments using leftover candy

Candy experiences
What to do with ALL of that Halloween candy?!? in the name of science it suffices to sacrifice a few! with playdrhutch
Scary crawlies and candy science
Marshmallows and liquorice creations. Great fun from inspiration labs
Science experiment with Halloween candy
Scientific sweets! This science experiment with Halloween candy. Learn about acids with candy and baking soda. Via KidsActivitiesBlog
Candy experiences
Have fun experiments with sweets that you can’t or don’t want to eat because of the colorings they contain. Colorful candies are great for these candy experiments. via KidsActivitiesBlog
Sweet corn sensory jelly
Use your leftover candy corn for a fun sensory experience with Craftulate
–
Pumpkin-cano sensory science
Just watch your children’s faces when they see the sparkling foam coming out! i love it from littlebinsforlittlehands (pictured above)
Make scary noises
Makes weird noises like a squeaky door or squeaky steps with a plastic cup! challenge with the help of Science Sparks
Static electricity dancing ghosts and bats
Use the technique from this kids activity blog to create dancing paper ghosts, pumpkin bats for static Halloween fun. Just cut simple pumpkin, bat and ghost shapes out of tissue paper and watch the magic happen
Explore pumpkins
Learn about the life cycle of a pumpkin – dig and crush with Earlylivingideas.
Ooey, Gooey Halloween Science Experiments
Sparkling eyeballs!
Oh my!! it’s a must-do activity for kids this Halloween. How funny !! photo below left by Little Bins For Little Hands for b-inspiredmama
Surprise eruptions
No more baking soda and vinegar mixed in googly eyes, plastic spiders – whatever you have on hand !! great halloween science fun via simplefunforkids
Glow-in-the-Dark Plasticine
Are not the effects magical !! see how to do on sunhatsandwellieboots
A rotten scientific adventure
What happens to the pumpkin when you let it rot after Halloween ?. Hello, Scientific Project! here on KidsActivitiesBlog