This is a SCARY BIG post today!! You’ll get 25+ Spooky Halloween Science Activities like candy experiments, slimy brains, and witch’s brews perfect for the kids. This list of Halloween science experiments is perfect for school, homeschool, spooky Halloween parties, and more!
25 Spooky Science Activities for Halloween
First up is my master list of Spooky Science Activities. Basically, it’s The Babe’s and my bucket list of science-y stuff to do between now and October 31. I’ll probably add a few to our annual Halloween bash for the kids, too. Nothing like some creepy mad scientist experiments or ghostly rockets to keep the fun going!
Body Part Science Activities
I thought I’d start with some of the spookiest of the science activities. Slice and dice, fizzle and freeze… Have fun with body part science!
- Learn about the brain and have some spooky fun with 5 Messy Ways to Play Brain Surgeon from Left Brain Craft Brain.
- Build an Articulated Hand with this surprising tutorial from De Tout et De Rien.
- Make some googly Halloween Fizzing Eyeballs from Little Bins for Little Hands.
- Making these is just as fun as melting these Halloween Hands from Happy Hooligans.
- Explore anatomy with Felt Body Parts from Fun at Home with Kids. This would make a great Halloween costume!
Halloween Candy Science Activities
Need a way to get rid of some of those pumpkins full of trick-or-treat candy? Turn them into science experiments!
- Explore Skittles, Snickers, and more with Halloween Candy Science Experiments from Left Brain Craft Brain.
- Find out how to float the M’s off of M&M’s with Candy Experiments from Mamas Like Me.
- Create some colorful Candy Potions with this activity from Housing a Forest.
- Separate your candy colors with Candy Chromatography from Kids Activities Blog.
- Hypothesize and test those fun-size candy bars with a Candy Bar Science Experiment from Reading Confetti.
- Explore science concepts with a Skittles Density Rainbow from Gift of Curiosity.
Mad Scientist Activities
It’s good to be a crazy scientist when you are a kid (or even a kid at heart). Here are some fun ways to do it.
- Conduct a crawly Creepy Density Experiment from Science Sparks.
- Play dress-up and do some science with the Mad Scientist Lab from Fireflies and Mudpies.
- Explore the properties of Vampire Blood with Inspiration Laboratories.
- Make some creepy Glowing Mad Science Jars from Growing a Jeweled Rose. This one has a great trick for making Glow Water!
- Play in a messy sensory bin and learn What is Blood Made of? with I Can Teach My Child.
Pumpkin Science Activities
Pumpkins, pumpkins everywhere!! Explore science with Halloween’s favorite fruit! Did you know that a pumpkin is a fruit, not a vegetable?
- Make some Fizzing Pumpkin Treasure Rocks for a fun activity that is perfect for Halloween parties and after school.
- Build some Jack-o’-lantern Halloween Slime with this recipe from Left Brain Craft Brain.
- Create some Pumpkin Optical Illusions with these cards from KC Edventures.
- Study the life cycle of a pumpkin and conduct Pumpkin Seed Science Experiments with these ideas from Apples and ABC’s
- Play with some Bubbling Pumpkins: We filled The Babe’s Trick or Treat bucket with baking soda and watched the pumpkin bubble over when we added vinegar. Color the vinegar (we chose black) for extra spooky bubbles.
- Play with some extra messy, super seedy Pumpkin Oobleck from Sun Hats and Wellie Boots and learn all about non-Newtonian fluids.
- Watch that jack-o’-lantern rot with Pumpkin Decomposition Science from Gift of Curiosity.
Ghostly Science and Witches Brews
This Halloween you might have some little ghosts and witches running around your house. Give them some scary ways to explore science!
- Launch some Flying Ghost Rockets from Growing a Jeweled Rose.
- Do some fun play in the bathroom sink with Messy Science Witch’s Brew from The Golden Gleam.
- Stir up some Witch’s Brew Color Mixing Experiment from The Outlaw Mom.
- Explore the power of gasses with Self-inflating Ghosts from Mama Smiles.
- Blow some spooky Boo Bubbles from Steve Spangler Science.
A few more fun Halloween ideas!
Make everyday fun with 31 Days of Halloween STEAM Challenges! To get a set of these free printable activity prompts, simply fill out the form below.
Have fun with Halloween Engineering Projects Too!
Looking for some fun Halloween activities to do with the kids? Try some STEAM! Join us as we explore all the favorite themes of October with STEAM Explorers like bats, and pumpkins, and spiders, oh my! Kids will love building a spider bot, exploring famous artists, making spooky sound machines, and more! You'll love the helpful standards-based learning, printables, and tools that make STEAM (science, technology, engineering, art, & math) exploration easy!
15 thoughts on “25 Spooky Science Activities for Halloween”
Very cool round-up. Great variety!
Thanks! It was fun to pull together.
holy WOW !!! talk about some scary spooky crazy crafty fun idea :) love it, OMG can’t wait to try a few of these with the little ones, thanks for sharing @tisonlyme143
So glad you love it! Have fun with the spookiness!
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Your creativeness will turn little children into little doctors and scientists..what a set of creations..kudos to you
Ronald, your comment has made my day! This is why I write Left Brain Craft Brain…
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