Skip to Content

21 Disgusting Science Experiments that will Gross Kids Out!

Save this idea for later!

Our favorite activities are STEM activities and science experiments for kids. We love creating fun new science experiments and recreating classic science projects. Right now, my kids LOVE gross things.

Anything wiggly, disgusting, icky, or gross they are huge fans of. I decided to capture their love of all things gross with these educational gross science experiments!

You cannot go wrong with these creative, fun, and educational themes for gross STEM activities.

Delight kids with these fun and hands-on gross science experiments and STEM activities. So many gross activities for kids to try!

Kids will have a blast creating these disgusting science experiments and may not even realize how much they are learning!

Gross Science Experiments 

Try these delightfully gross science experiments and learn something while you’re having a gross time!

This Unicorn Poop Slime is so gross, but it’s also colorful and fun!

Make ABC Chewed Gum Slime and gross out your classmates.

Nothing is grosser than moldy bread! Try the Bread Mold Experiment and learn about mold!

These Jello Worms combine science and gross!

Try the Germs Hand Washing Science Experiment and learn just how dirty we all are!

Kids will be disgusted by this realistic Eyeball Slime.

If your class loves zombies, they will have a blast with this Zombie Slime!

Make a Jello Brain without a mold and learn about the inside of your head!

Delight kids with these fun and hands-on gross science experiments and STEM activities. So many gross activities for kids to try!

Make Edible Petri Dish Bacteria!

Try making your own Pickled Monster Eggs.

The Bubbling Eye of Toad Slime looks just like a witch’s potion!

Try this Osmosis Science Experiment and learn about blood and cells.

Icky Science Experiments

These gross STEM activities will be perfect for grossing out kids and teaching science at the same time!

Make your own edible Snot Slime and gross-out the entire class!

Build an Edible Skin Layers Cake for some disgusting science.

Swab different areas of the home or classroom in the Growing Mold and find out which one is the dirtiest!

Try to Mummify a Chicken!

Build a Slime Brain for icky science lessons!

Delight kids with these fun and hands-on gross science experiments and STEM activities. So many gross activities for kids to try!

Set up your own Slug Races.

Make this super fun and gross Eyeball Splat.

Get disgusting with Creep Crawly Bugs.

Disgusting Science Experiment Kits

Delight kids with these fun and hands-on gross science experiments and STEM activities. So many gross activities for kids to try!

This post uses affiliate links for your convenience. 

These gross science kits will be the hit of your classroom or your next holiday.

Delight kids with these fun and hands-on gross science experiments and STEM activities. So many gross activities for kids to try!

That’s Gross Science Lab

Delight kids with these fun and hands-on gross science experiments and STEM activities. So many gross activities for kids to try!

Disgusting Science Kit

Delight kids with these fun and hands-on gross science experiments and STEM activities. So many gross activities for kids to try!

Zombie Science Lab

Delight kids with these fun and hands-on gross science experiments and STEM activities. So many gross activities for kids to try!

Totally Gross Science Lab

Delight kids with these fun and hands-on gross science experiments and STEM activities. So many gross activities for kids to try!

Beating Heart Science Kit

 halloween stem challenges 

Save this idea for later!