Learning chemistry doesn't have to be scary. Well, except on Halloween!
Pick your favorite creepy chemistry demo or activity and celebrate October 31 with some spooky science!
- Rainbow Fire Jack-o-Lantern
Give your carved Halloween pumpkin a little oomph with a green fiery glow. It all starts with hand sanitizer.
- Glow in the Dark Pumpkin
It takes just one item to give your pumpkin a ghastly glow. Ready for a visit to the craft store? Tip: for a longer-lasting pumpkin, try artificial carvable pumpkins like these “Funkins.”
- Spooky Halloween Jack-o-Lantern
Here’s something new for your pumpkin to spew. It’s simple with a little dry ice.
- Periodic Table of Pumpkins
Have a lot of pumpkins on your hands? See what a team of university students decided to do.
- Keeping a Jack-o-Lantern Fresh
Looking for ideas on how to keep your cut pumpkin pristine? This science project can give you some ideas.
- Boo Bubbles
Create soap bubbles filled with a swirling white fog. Find out how to get this ghostly effect.
- Crystal Ball Bubble
In my dry ice crystal ball I see… lots of great chemistry for your Halloween celebration this year!
- Dry Ice Experiments
Nothing says Halloween like a eerie stream of “smoke” from a cauldron. This link promises “ooze” and ahhhs with these demos.
- Periodic Table Costumes
This could be one of the easiest chemistry Halloween costumes ever. Choose your symbol, grab a cardboard box, and personalize it to your element.
- Halloween Chemistry Costumes
It’s a chemistry Halloween masquerade. Can you identify the elements and compounds represented by these costumes?
- Chemistry Costumes
Can’t think of a thing to wear to the Halloween party? Why not try one of these creative (and cheap!) chemistry-themed costumes?
- Laundry Detergent Glowing Skull
Your neighbors will be sure to admire your decorating skills when you create a glowing skull on the sidewalk or window.
- Bag of Blood
Stab a bag of “blood” without spilling a drop in this super easy Halloween twist on a classic demo.
- Fake Blood Recipe
Need to whip up a bowl or two of fake blood for the big Halloween night? Try these tips, and don’t be afraid to experiment!
- Fake Flesh Recipe
It’s edible fake flesh that you can make with stuff in your kitchen cupboards! There are even tips on how to make it more gruesome.
- Frankenstein's Hand
Frankenstein called and can’t make it to the party. Could he send just his hand instead? An acid–base reaction makes it come alive.
- Halloween Feel Box Game
Feels like… brains! Try this creepy but fun way to hone your observational skills, without peeking in the box.
- Witches’ Brew Recipe
Don’t forget a tasty beverage for your Halloween party! This brew carbonated with dry ice will quench the thirst of any ghoulish guest.
- Halloween Science Treats
Add glowing Jell-O in Halloween shapes to your party menu with this recipe.
- Glowing Hand of Doom Punch
Head to this haunted punchbowl and try a glass—if you dare.
- Halloween Treats
You’ll be happy to hear that pumpkins and chocolate have antimicrobial and antioxidant properties. Now, which would you rather eat first?
- Halloween Nassau Reaction
This clock reaction is the perfect combination of colors for Halloween. It starts out colorless. Can you guess which two colors it turns?
- Goldenrod Paper Message
Who left behind the bloody handprint? Don’t worry—this chilling sight just comes from acid–base chemistry.
- Genie in a Bottle
Rub the bottle and ask this chemistry genie to come out and give you a wish for Halloween.
- Giant Smoke Rings
Send out these super-size smoke rings at your Halloween gathering.
- Halloween Demo Show
Combustion is the name of the game in this show’s series of 23 demos. Use their plan and patter, or adjust it how you like.
- A Halloween Story
Riddle me this… How can I combine a mysterious riddle with great chemistry demos? This story might be your answer.
- Static-Powered Dancing Ghost
This ghost wants to dance but needs your help—your balloon’s help, that is.
- Halloween Demos for AP?
Looking to scare your AP students on Halloween? Check in with “fist pump baby” and learn how.
- Halloween House
Pay a virtual visit to a university’s chemistry-themed Halloween house to find some great ideas. It’s spooktacular!
- Molecules from the Crypt
Ah, the sweet smell of putrescine and cadaverine, ready for Halloween. Learn more about these compounds produced in decaying animals.