Halloween is coming up, and what better way to get in the spirit of things than with some spooky science experiments? Whether you’re a mom or teacher, these 15 Halloween science experiments for kids are perfect for any classroom or at home.
These fun science experiments are perfect for any little witch or wizard that wants to celebrate this magical holiday with family and friends. These science experiments all have a Halloween twist and include oozing pumpkins, fizzing witches cauldrons, floating ghosts, and more. Have a fun time with your little scientist!
You will also like our Fall Science Experiments found Here.
SUGGESTED BOOKS & ACTIVITIES FOR HALLOWEEN FUN:
Click photos: Affiliate links to more information on these items we love! (Purchases through affiliate links earn us a small commission with no extra cost to you. See our Disclosure Policy here.)
Big PumpkinPete the Cat: Trick or PeteRoom on the BroomMax Fun 302PCS Halloween Foam Stickers Set, Pumpkin Ghost Witch Hat Halloween Decorations for Kids Crafts Party Favors Supplies Halloween Craft Kits for KidsJOYIN 32 Halloween Bingo Game Cards (4×4 & 5×5) – 16 Players for Halloween Party Card Games, School Classroom Games, Trick or Treating, Halloween Party Favors Supplies, Family ActivityBEIGUO Halloween Crafts Paint Your Own Squishy Pumpkin 6 Pack Slow Rising Halloween Pumpkin with Decorating Stickers Kids Crafts for Halloween Thanksgiving Party Favors
The Best Halloween Science Experiments for Kids
If you like our Halloween Science Experiments I would love for you to PIN IT! It helps others discover it too, which helps us bring you more AWESOME CONTENT like this!
Kids can experiment with the basic kitchen ingredients to make Bubbling Cauldrons and Witches Brews as they explore chemical reactions and color mixing with the printable science activity pack.
Ever think there may be a scientific reason that ghosts float? Use magnetism to make a ghost float with this adorable Floating Ghost Magnetism STEM Activity from From Engineer to SAHM.
Your kiddos will love to make a pumpkin explosion with this Oozing Pumpkins: Creepy Halloween STEM Fun activity from Team Cartwright. They will enjoy 3 fun and easy ways to create oozing pumpkin chemical reactions!
Explore chemical reactions in this fun Witches Brew Science Experiment from Parenting Chaos! Kids will have a blast creating their own potions while learning how to compare and contrast the reactions of different materials.
Turn a classic science experiment into the ultimate Halloween science experience for kids with this Ghost Balloons activity from Mama Smiles.
This Oozing Pumpkins STEM Experiment from Kelly’s Classroom Online is a popular twist on the traditional vinegar + baking soda science experiment. It is terrific for kids of all ages!
This Melted Pony Bead Pumpkin Suncatcher from The Gingerbread House is so much fun. It is a great STEM activity for kids!
Skeletons are all around for Halloween, take advantage of the decorations and teach kids about their bones with these fun Skeleton Bone Activities.
How about a super easy Halloween science experiment for the kiddos? This Waterbeads Jack-o-Lantern Sensory Bottle from Teach Me Mommy is incredibly simple to make and is so much fun!
Have you ever made a pumpkin fizz and have it completely disappear? This Fizzing Pumpkins Halloween Science Experiment from Finding Myself Young is the perfect mix of spooky and fascinating.
Make a Skeleton Hand that moves by Go Science Kids, to teach about the skeletal system or just scare someone as you grab them with your moving skeleton hand!
Kids can “dissect” a pumpkin as they carve it for Halloween and use this printable Pumpkin Labeling Worksheet to learn about the parts they find inside.
Find out how to make these cute Salt Crystal Ghosts from Go Science Kids. These are easy and fun Halloween science projects that kids can do, using everyday household items.
Let your kiddos experience the changes that a pumpkin goes through when it rots with this What Happens to a Rotting Pumpkin experiment from Kids Activities Blog.
If bones weren’t scary enough, kids can make a Magic Bone by Barley and Birch that appears to move on its own with the help of magnets–like magic!
Looking for a fun and simple STEM science experiment for kids you can try at home? Check out this Halloween Pumpkin Science Experiment from Active Littles that is sure to be a blast!
Kids will absolutely love this Edible Halloween Sensory Bin from The Inspiration Edit. you could even serve this up as a spooky dessert at your next Halloween party.
Your little ones will have a blast experimenting with this Halloween Slime from The Best Ideas for Kids. It also makes a great non-candy gift!
We all know that not every house on the block has good candy, so what can kids do with the leftover yucky kinds? How about trying this Science Experiment with Old Candy from A Little Pinch of Perfect!
Kiddos will have fun using their creations and watching them fizz in the bath with these adorable Cauldron Bath Bombs from Team Cartwright.