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Halloween Chemistry

red hand print


Learning chemistry doesn’t have to be scary. Well, except on Halloween! Pick your favorite link and celebrate October 31st with some spooky science! Look for creepy chemistry categories like dry ice, body parts, costumes, pumpkins, and food.

  • 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!
  • Halloween Dry Ice Secrets
    Nothing says Halloween like an eerie stream of “smoke” from a cauldron. This link promises “ooze” and ahhhs with these demos.

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  • 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!
  • The Chemistry of Blood
    What makes your blood, blood? This chemistry really gets under your skin.

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  • 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 Mystery Box Game
    Feels like… brains! Try this creepy but fun way to hone your observational skills, without peeking in the box.
  • Zombie Brain Fluffy Slime
    It’s so fluffy! Try this slime recipe in a brain-shaped mold.

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  • 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 to your party menu with this recipe.
  • Halloween Treats
    You’ll be happy to hear that pumpkins and chocolate have antimicrobial and antioxidant properties. Now, which would you rather eat first?

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  • 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?
  • 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.

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  • 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.
  • Molecules from the Crypt
    Ah, the sweet smell of putrescine and cadaverine, ready for Halloween. Learn more about these compounds produced in decaying animals.