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Learn All About Cells with Slime

My kids weren’t really interested in learning about cells until I said slime.

Okay, it was a fairly cheap trick since I knew they loved slime.

But I also knew that slime would be the perfect way to learn about cells. I can’t say I’ve ever touched cytoplasm but it sounds very slime-like to me.


learn about cells using slime

It’s a biology year at our house which means we will be studying animals, the human body, and then plants. Naturally, it all started with a discussion on what does it mean to be alive (from a scientific viewpoint, not philosophical). Next, we covered cells, briefly.

I didn’t want to get into every single thing but I did want them to see how similar plant and human cells are and how many similarities we share as living beings.

Although, I would have loved to take more time to discuss what each part of the cell does.


slime in a container with worksheet

How to Make a Slime Model of a Cell

First, you’ll need an animal cell model and a plant cell model. You can use one from a book or print one off online.

We used ones from Homeschool Clipart:

Animal Cell Model

Plant Cell Model


Next, make your slime. There are so many ways to make slime. We used the contact lens solution method simply because those were the materials we had. Any of the methods should work for this activity. Use whatever you happen to have on hand!

We made two batches – one green and one yellow.

Plant cells are green because of the chlorophyll so we made sure to make it green.

Also, make sure to use a roundish bowl for the animal cell and a rectangular container for the plant cell.

Plant cells have fairly rigid cell membranes that keep their shape. Animal cells don’t.

animal and plant cells made of slime


After you’ve made the slime, start your scavenger hunt for the rest of the materials.

I will share what items we used. But I definitely recommend letting your kids find the items themselves! Part of the process is observing the parts and determining what you have in your house to represent them.

animal cell made from slime

What’s In An Animal Cell:

  • Lysosome – glass gem
  • Nucleus/Nucleolus – Bouncy Ball
  • Golgi Body – Pipe Cleaner
  • Endoplasmic reticulum – rubber band
  • Centrioles – Straws (cut in pieces)
  • Ribosome – Glitter
  • Microtubules – Lollipop sticks
  • Mitochondria – Cotton Balls


plant cell made from slime

What’s In a Plant Cell

  • Raphide Crystal – Lollipop sticks
  • Druse Crystal – Plastic Acorn
  • Ribosomes – Glitter
  • Centrosome – Straws (cut up)
  • Amyoplast – Blue glass gem
  • Nucleus/Nucleolus – Bouncy Ball
  • Mitochondria – Cotton Balls
  • Chloroplast – Green Glass Gems
  • Golgi Body – Pipe Cleaner

child creating cell out of slime and rubber band

Why You Should Make a Slime Model of a Cell

I am all about hands-on activities as much as possible. Activities keep them engaged in a way worksheets and books just don’t.

But I wanted to do the cell models for two other reasons.

First, the slime model would bring the idea of a cell and cell parts to life for them. Most cells are too small to see by the human eye. We looked at a chicken egg up close but I could tell they didn’t really see it.

The slime cells were large and it was easy to see all the different parts.

Second, I knew that by having a scavenger hunt to find something for every part, they’d be an active part of the activity. Not only would they have to consider each part but they would have to look at the details. To find the Druse Crystal they needed to look at its size, general shape, and decide if it should be a certain color.

As an added bonus, there was a lot of discussions in which they were repeating the cell parts over and over.

“This is perfect for the mitochondria. It’s an oval!”
“If we had straws they would work for the centrosome”

and so on.

The process of finding something around the house for each item got them so involved and attentive to each part.

cell worksheets with materials to represent different parts

Enjoy your studies of biology with this hands -on slime activity!


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