How to Bring STEM into Halloween

by STEM Scouts

Halloween is a great time of year to explore your world, or at least the ooey-gooey and spooky. Whether you celebrate this holiday or not, here are some fun and creative ways to shape, tinker, explore and make this time of year “STEM-tastic.”

Cook Up Some Delicious (and Yummy) Edible Slime

Nothing says Halloween like slime! Make this edible slime with a few simple ingredients.

You’ll need:

  • 14 oz. can sweetened condensed milk
  • 1 tablespoon cornstarch
  • Food coloring
  • Few drops vanilla or other flavoring, if desired

Cook the milk and cornstarch in a saucepan over low heat until the mixture thickens. Remove from heat, and add the colors and flavors. Allow the slime to cool before playing with or eating it. If you wish to save it, you can store it in a sealed plastic bag in the refrigerator for a day or two.

Here’s a similar recipe for a chocolate version. For more science experiments you can actually eat, check out these.

Build a Candy Corn Catapult

Winner takes all—all the candy, that is!

You’ll need:

  • Plastic spoons
  • Building materials (popsicle sticks, pencils, wooden clothespins, rubber bands, tape, modeling clay)
  • Candy corn or other small candy pieces

Place all the materials in a central location, and assemble teams of people. Set a timer to allow teams to build their catapult. Once the timer is up, teams compete to see who can catapult the candy corn the farthest distance. After several rounds of launching the candy, the team who has flung the most candy the farthest wins.

Want more like this? Check these out.

Craft Yourself a Jetpack

Try this costume made with materials you can easily find at home.

You’ll need:

  • Two 2-liter soda bottles
  • Silver spray paint
  • Orange and yellow paper or felt
  • Cardboard
  • Glue
  • Rope or webbing
  • Staples

Make a jetpack by spray painting two 2-liter soda bottles silver. Cut flames out of tissue paper, construction paper or felt. Glue the flames inside the opening of each soda bottle. Cut out a piece of cardboard to fit the width and height of your back. Glue the finished soda bottles upside down to the cardboard piece.

To keep the jetpack on your back, create straps with rope or webbing. Simply staple one end of each strap to the top of the cardboard and the other end to the sides, so your arms can slip through them.

Have any other brilliant ideas? Share your STEM-filled Halloween ideas and photos with us on Facebook, Twitter and Instagram, tagging them with #STEMHalloween.

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