The Science of Slime for Innovative Kids

May 02

This is the first of my official “Innovating” posts where I will chronicle my children’s journey into the world of science and innovation. Not to mention, the powers of infinite parental patience.

For the next several months I will post a weekly experiment or activity that may be science, art, or entrepreneurial-related. As much as I would love to believe that my three boys are learning how to be innovative in the classroom, the reality is that they are not (at least not on a regular basis). Therefore, it’s up to me (the parent) to expose them hands-on learning opportunities that encourage them to take risks, love learning, and stretch their naturally inquiring brains. I explain this more fully on a previous post here.

I encourage families to try these same activities at home – you’ll get a good idea of how messy they are (to gauge your own tolerance for it), and whether they’re worth the effort based on my own experience.

Today’s Experiment is called SLIME TIME. That pretty much sums up what you can expect.

Kids Learn: the differences between liquid and solid, and the properties of plastics since both the slime and plastic are made of polymers. And an understanding of non-Newtonian fluids.

Ingredients: Cornstarch, water, food colouring

First – Toss some cornstarch into a bowl and slowly add water. Then stir.

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Adding water


experiments for innovative kids

Forget the spoon. You need hands to stir this stuff!

The mixture should be smooth once it has been mixed thoroughly. Any chance to get his hands dirty, my son is really getting into this part of it.

SECOND: Add food colouring. The colour chosen today is blue.

Slime experiment for innovative kids

Add a little colour


Innovative kids

It's blue!

FINAL: Get slimy! Let your kids play with it. Note to the mama’s who hate messes – it is contained and minimal in my kitchen.

Innovative kids' science

Ooey Gooey Good!

Nothing like a pile of blue slime to get boys interested. Another son jumps in to help out with moulding this stuff. Now, it’s time to just let them have fun with it. Two of my boys spent fifteen minutes squishing, dropping, moulding, and laughing with this. Supervision by Mama or Papa is rather important during this segment of the experiment, lest you want to be wiping down globs of blue from your kitchen walls and cabinets.

The mini video below shows how the kids learn non-Newtonian properties (it doesn’t conform to the rules of how liquids behave, as set out by Newton).


I’d highly recommend this science experiment. It’s a lot of fun for the kids, ingredients are minimal, and does not require a lot of effort for parents (a great one to start with). However, keep in mind the fingers stay dyed for quite some time. My son was still scrubbing his nails three days later…

Science experiments for kids who like slime

Three days later, the nails are still blue

This experiment was taken from a wonderful book by Scholastic called Science Rocks!


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