Magic Pumpkin Science

This simple kids’ science experiment is a must-try this fall! Just grab a handful of Reese’s Pieces and a cup of hot water and you’re ready to make a jaw dropping magic pumpkin. Kids will beg to repeat the experiment over and over again.

Try it out and then hop over to grab 30 more easy-to-follow science experiments (plus a no prep science journal to keep track of their results!) in our shop!

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Getting Ready

Prepping the activity couldn’t have been any easier!

I grabbed the bag of Reese’s Pieces I picked up at the store the day before and filled a measuring cup with hot tap water. Then I asked my kids to grab a white plate and join me.

That’s it! We were ready to jump in and get started.

Making Our Magic Pumpkin

The kids helped me arrange our Reese’s Pieces in the shape of a pumpkin on our plate.

We placed the orange candies in a circle to form the sides and used four brown candies to make the stem at the top.

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Then we slowly poured some hot water on the outside edge of the pumpkin. We needed just enough to cover the bottom of the plate.

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That’s when the REAL fun began! We sat back and watched the water work its magic.

The kids couldn’t wait to grab a fresh plate and try the experiment again!

The Science Behind It

The shell of the Reese Pieces are made with food coloring and sugar.

When the candies come in contact with the hot water, that sugar dissolves into the water and the colors spread across the plate, filling the pumpkin.

The activity is such a simple way to introduce states of matter to kids.

More Jaw-Dropping Science

Continue the fun with our mega pack of 30 must-try science experiments for kids! All of the activities use common household supplies like salt and baking soda. You won’t believe how easy they are to prep!

Our members get MORE!

13 Comments

  1. Kathy

    I can’t wait to try this with my kids. They will love it!

    Reply
  2. Crystal

    I can imagine PJ trying his hand at this…how will we manage the wait? Oh, the suspense:) I’m already excited for him to try this myself:)

    Reply
  3. linda m. quezada

    thanks for sharing. cool

    Reply
  4. Georgeann

    How long does it take for the “magic” to happen once you pour the hot water on the plate?

    Reply
    • Malia Hollowell

      Great question Georgeann! The “magic” starts within the first 10 seconds and the whole pumpkin fills with color within 2-3 minutes. 🙂

      Reply
  5. Liz

    Can you use skittles for this because of peanut allergies?

    Reply
    • Kimberleigh

      Yes, it will just change the colors 🙂
      Have a blast with your class!
      Warmly,
      Kimberleigh // Community Manager Playdough to Plato

      Reply
  6. Stacey

    We’ve done the rainbow Skittles experiment like this…but we’ve never tried it with Reese’s Pieces. I love the idea of creating a pumpkin!

    Reply
    • Kimberleigh

      Aw, thank you, Stacey! It is SO much fun- I hope you and yours have a wonderful time!
      Stay inspired!
      Warmly,
      Kimberleigh // Happiness Ambassador

      Reply
  7. Jessica

    Does this work with M&Ms? We can’t have nuts at our school.

    Reply
    • Ashley

      Yep! This would work just as well with M&Ms!
      Thanks for asking!
      Warmly,
      Ashley // Happiness Ambassador

      Reply

Trackbacks/Pingbacks

  1. 20 Engaging Fall Fun Science Experiments for Preschoolers - […] your kids love candy science, show them how to make a magic pumpkin with Reese’s Pieces. Playdough to […]
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Hi, I’m Malia.

I LOVE helping Pre-K, Kindergarten and First Grade teachers save time, stay inspired and give EVERY student bigger results. I’m so glad you’re here!