11 St. Patrick’s Day Science Experiments for Kids

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When they’re not having fun finding pots of gold or searching for leprechauns, your little learners will love trying out some St. Patrick’s Day science experiments! From rainbows to shamrocks, there is so much to learn from the icons surrounding St. Patrick’s Day. Keep reading to see our roundup of fun and easy science experiments for kids.

Make Some Leprechaun Slime

Learn about viscosity by making your own leprechaun slime complete with gold flakes! 

Amber Guetebier

Make a Leprechaun Trap

Bust out your STEM hats and get to planning how you are going to catch your very own leprechaun. Start with a shoebox and see where the imagination takes you! 

Create a Fizzing Rainbow

We love this colorful idea where you create your own fizzing rainbow! Be sure to put a paper towel underneath your creation. You can dry it in the sun and hang it in your window! 

Little Bins for Little Hands

Crystal Shamrocks

You can't celebrate St. Paddy's Day without a few shamrocks! This year, let science take the wheel and grow a few crystal shamrocks with a few easy steps from Little Bins for Little Hands. All you need is a few pipe cleaners and borax and you'll be on your way in no time.

Live Well Play Together

Leprechaun Sand

This messy but fun activity from Live Well Play Together lets kids see how baking soda and vinegar interact, in St. Patrick's Day style. With minimal supplies, this is a perfect afternoon activity that involves basic household supplies you probably have already.

Gift of Curiosity

Magic Leprechaun Rocks

These homemade leprechaun rocks from Gift of Curiosity are a perfect blend of educational and fun! The "magic" rocks are made from green-dyed baking soda and water that conceal a gold coin. You'll have the ultimate scavenger hunt when the kiddos "wash" this at the end!

123 Homeschool 4 Me

Rainbow Density Experiment

Let rainbows do the talking with this educational experiment from 123 Homeschool 4 Me. Your littles will learn all about density and liquids with this simple activity that involves household supplies you probably already have!

Skittles Rainbow Science Investigation

Taste the rainbow! This delicious experiment from Fantastic Fun & Learning uses everyone's fave rainbow candy to explore the impact of water and how it can physically change an object. This is a great (and tasty) afternoon activity for young learners.

A Dab of Glue Will Do

Walking Water

This festive-colored experiment from A Dab of Glue Will Do is perfect for St. Patrick's Day. Let your kiddos learn the science behind "capillary action" and how it plays into the real world.

Buggy & Buddy

Homemade Spectroscope

When you craft your own spectroscope, you'll get to see all sorts of rainbows! This easy idea from Buggy & Buddy uses household supplies that come together in a jiffy, but provide hours of fun and learning.

Rhythms of Play

Rainbow Shamrock Salt Painting

Learn all about the shapes of shamrocks and how colors travel down salt in this colorful project from Rhythms of Play. Little learns will exercise their fine motor skills and artistic prowess in this fun St. Patrick's Day craft!

––Karly Wood & Kate Loweth

Featured image: iStock 


Everything You Need to Trap a Leprechaun This St. Patrick’s Day

20 Easy St. Patrick’s Day Crafts That Kids Will Love

Help A Leprechaun! 8 Colorful Rainbow Projects

36 Classic Science Experiments for Kids

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