Preschool is such a fun time.
Preschoolers are curious and want to learn so much about the world around them, which makes it the perfect time to try preschool STEM activities.
But it’s also fun to try easy science experiments with preschoolers. So, If you’re looking for preschool science projects, try these easy preschool science experiments that are like magic!

Keep reading to learn a bit more about how to set up science experiments in preschool and for a list of preschool science activities!
And check out this list of fall science experiments for kindergarten!
Supplies for Preschool Science Experiments
We do our preschool science experiments at home, but of course, many of you do them in the classroom!
If you’re setting up a science center, here are some tips on how to set up a science center at home.
And here are some ideas for making a classroom science center.
But most of all, you’ll want to have some common science supplies on hand for your experiments.
Watch the video above for what we like to include, and shop the list below for an easy way to stock your science center.
Educational Insights GeoSafari Jr. My First Microscope STEM Toy for PreschoolersLearning Resources Primary Science Lab Activity Set, Science Exploration, 22 Pieces, Ages 4+
STEAM Play & Learn: 20 fun step-by-step preschool projects about science, technology, engineering, arts, and math!
National Geographic Little Kids First Big Book of Why (National Geographic Little Kids First Big Books)
The Mason Jar Scientist: 30 Jarring STEAM-Based Projects
AmScope PS25 Prepared Microscope Slide Set for Basic Biological Science Education, 25 Slides, Includes Fitted Wooden Case
Scientific Explorer My First Mind Blowing Science Kids Science Experiment Kit
UNGLINGA Kids Science Experiment Kit with Lab Coat Scientist Costume Dress Up and Role Play Toys Gift for Boys Girls Kids Age 5 – 11 Christmas Birthday Party
And if you want a bit more help planning your preschool science lessons, read this article on how to teach a STEM lesson at home and how to set up STEM lessons in the classroom.
The Ultimate List of Science Activities for Preschool

These preschool science projects are tons of fun and perfect for preschoolers just learning how the world works.
We’ve separated our preschool science activities by season, so that you can have a whole year of science experiment ideas at your fingertips!
We also have preschool science experiments for specific holidays and themes, including Valentine’s Day science, St. Patrick’s Day science experiments, Easter STEM activities, Halloween science experiments, Thanksgiving STEM projects, and Christmas science projects.
Winter Preschool Science Experiments
Make your own blizzard in a jar!
How to Make Instant Ice in 5 Seconds
If the conditions are right, you can make ice in 5 seconds!
How to Make Borax Crystal Snowflakes
Learn how to make snowflake crystals.
Get even more winter preschool science experiments!
Spring Preschool Science Projects

Learn about the types of clouds using puffy paint.
There are two ways to make a cloud in this experiment.
Learn about capillary action and color mixing!
Remove the shell from an egg! Kids have a blast with this one.
Fizzing Rainbows Science Activity
Make colorful rainbows with fizzing chemistry.
Eggshell Garden Science Project
Make a garden inside of an eggshell.
Learn about color mixing with this fun preschool activity.
More spring science experiment ideas.
Summer Preschool Science Experiments

Turning a Penny Green Science Experiment
All you need is salt, vinegar, and pennies to make this work!
Kids will have a blast making fluffy slime (and it’s less messy, too!).
Milk Surface Tension Experiment
Learn about surface tension with milk.
Tornado in a Jar Science Experiment
Learn about severe weather in the safety of a jar.
Classic Vinegar and Baking Soda Volcano
Every kid needs to try this at least once!
Get even more summer science experiments.
Fall Science Activities for Preschoolers

Non-Newtonian Fluid Experiment
Preschoolers will have a blast making their own oobleck.
Making Butter Science Activity
Making butter is a classic preschool science experiment.
Leakproof Bag Science Experiment
Preschoolers will love learning why the bag doesn’t leak!
Light refraction science is a fun experiment that preschoolers always have a blast with.
Find out what liquids are denser than others.
Make beautiful crystal stars (or whatever shape you want!) in this crystal science experiment.
Magnifying Glass Discovery Tray
Discover the world with a magnifying glass!
Cover dinosaurs in crystals.
Hot and Cold Color Mixing Experiment
Learn about how temperature can keep colors separated, or help them mix!
Get the full list of fall science projects.