Marshmallow Exploration

Using Marshmallows to Learn About Science!

 Ages 6+

Ideas or Inquiries

Somewhere, in the depths of your pantry, may be an old bag of marshmallows. Instead of throwing that in the trash, utilize them to teach your children about science!


structure, balance, gravity, heat, concentration, diffuse


two kids using marshmallows and skewers in science experiment
  • Mini marshmallows
  • Regular marshmallows
  • Toothpicks
  • Magnifying Glasses
  • Aluminum squares
  • Skewers

Activities & Options

Activity Option #1: Marshmallow Construction

  • Set out the marshmallows and toothpicks
  • Challenge your family members to become architects! Can they build:
    • The tallest structure
    • The largest structure
    • The most creative structure
    • Etc.

Activity Option #2: Roast-a-Marshmallow-with-a-Magnifying Glass:

  • Each person needs a piece of aluminum foil, a marshmallow, a skewer, a magnifying glass
  • Put the marshmallow on a skewer and hold it over the aluminum foil
  • Using the magnifying glass, concentrate or diffuse the heat from the sun to roast their marshmallow to desired “doneness.”
  • It goes without saying, but please be careful with this! Only do this with parental supervision.

What’s happening? What are the take-ways?

Gravity, pay load, and balance affect the success of the marshmallow and toothpick structure.

The lens will can concentrate the heat and power of the light from the sun, depending on the angle and distance they place it in accordance to the marshmallow.


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