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in Easter STEM Activities· STEM Activities

Peeps Soap Boat Experiment

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If you love PEEPs, you won’t want to miss this fun PEEPs candy science experiment where we find out if PEEPs can be transformed into a soap-powered boat! It’s a super fun Easter STEM activity in action. It’s one of our favorite engineering activities for kids!

Love science? Love PEEPs? Then you will love this PEEPs science experiment where the challenge is to make a soap powered boat! Fun for all ages!

Get more Peeps STEM activity ideas! 

Related: STEM Activities to try Today

easter stem challenge cards

Peep Surface Tension Science Project

A few weeks ago, we ran across this soap-engine boat experiment. Since it was spring, I wanted to know if the same experiment could work on PEEPs, as PEEPs are quite light and float well on water.

Not to give away too many spoilers, but it worked out quite well with a few tweaks.

Make your own surface tension boat experiment:

Love science? Love PEEPs? Then you will love this PEEPs science experiment where the challenge is to make a soap powered boat! Fun for all ages!

This post contains affiliate links for your convenience.

Supplies for the soap-powered boat Experiment:

  • PEEPs
  • Liquid soap
  • Scissors
  • Shallow pan

Love science? Love PEEPs? Then you will love this PEEPs science experiment where the challenge is to make a soap powered boat! Fun for all ages!
How to Make a Peeps Boat

PEEPs will float on their own, but as a PEEP has more weight than surface tension can break (which is why the boat can move with soap power, the soap alters the surface tension of the water and forces the boat to move), you will have to modify the shape a bit to get this experiment to work.

First, try the experiment with a whole PEEP. Put a bit of soap between the ears and let it loose in the water. It may move a bit, but it won’t look magical.

Love science? Love PEEPs? Then you will love this PEEPs science experiment where the challenge is to make a soap powered boat! Fun for all ages!

However, once the shape of the PEEP is altered, it will move much faster. Trim the ears to a narrow point close to the head, as in the image below. Cut the body completely off and trim the chin to a sharp point.

This will make the PEEP light enough to be moved with surface tension. If you have ever tried the milk surface tension science project, this is a similar idea.

Add a drop of soap behind the ears and set the PEEP loose in the water. It should float across the water at a pretty good clip. If it doesn’t, your water may be too soapy.

Try exchanging the water with clean water and try again. It took us several attempts before we got our experiment to work properly.

Love science? Love PEEPs? Then you will love this PEEPs science experiment where the challenge is to make a soap powered boat! Fun for all ages!
easter stem challenge cards

More PEEPs STEM Activity Ideas

Love Peeps®? Love STEM activities? Then you won't want to miss this complete list of PEEPS® STEM activities for kids! So many ways to learn with Peeps®!
PEEPS are amazing and have so many uses beyond just being a sweet. Take your PEEPS into the classroom with this PEEPs density science experiment!
Marshmallow PEEPS® just scream spring. Make your activities more educational with these easy STEM activities featuring PEEPS® candy science!
Love PEEPS®? Then you're going to love this fun PEEPS® boat engineering challenge! It's a fun way to learn about STEM activities during the spring.

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Filed Under: Easter STEM Activities, STEM Activities Tagged With: easter, PEEPS®, physics, science experiments

About Brenda Priddy

Brenda grew up thinking she hated science.

But when her 4-year- old daughter was more interested in reading science facts than fairy tales, Brenda realized she had to learn more about science to keep up with her daughter.

Through simple at-home science experiments, Brenda developed a passion for science and now acts as an advocate for STEM education for kids at her website STEAMsational.com.

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What is STEAM?

STEAM activities for kids promote the idea that science, technology, engineering, art, and math can all work together to help kids become critical thinkers, problem solvers, and innovators!

Join us on our journey to discover just how much fun science experiments can be.

What we do… 

STEAMsational offers STEM and science lesson plans and teaching resources to provide a firm STEM foundation for children in the classroom or home.

All you need to do is find your supplies, gather your scientists, and let the innovation unfold.

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