These 12 Valentines day stem activities are designed to spark curiosity, encourage critical thinking, and add a festive twist to science, technology, engineering, and math. Get ready to explore the wonders of STEM while celebrating the season of love in a fun and educational way. Find more Seasonal activities for kids here.
Valentine STEM activities
These STEM activities include lots of valentine science activities preschool and older kids as well as some math fun too.
Children will love this simple valentine STEM activity. Use everyday ingredients to create these fizzy love potions.
This is a simple and fun outdoor number hunt for preschoolers. It's a lovely valentines Maths activity.
Teach kids about chemical reactions with this fun Valentine STEM activity. It’s simple to make the baking soda hearts ahead of time so they are ready to go when you like.
Give kids some red, pink, and/or white play dough, with whatever Valentine’s decorations you have on hand. Then hand them the printable instructions for this love bug STEM activity.
This layered liquids density experiment is guaranteed to capture kids’ hearts and minds this Valentines. Most people know about oil and water, but this STEM activity offers up six different liquids that can be “stacked” on top of each other.
Valentine’s Day Volcano Science Experiment with Free Valentine Cards
Create a mini volcano for kids to explore how it works this year. To add some Valentine's Day flair, try out creative tips to make this STEM activity even more festive and fun.
Kids can learn all about balance with this fun Valentine’s Day STEM craft. Make a cardboard heart and add in two arrows to make it balance on its point.
Marshmallow Structures STEM challenge - with a Valentine twist!
Here is a way to take the classic marshmallow building STEM project and give it new life. Add in heart marshmallows and pretty straws to make a valentine's heart instead of a building.
This Valentine's Day, try this fantastic beginner STEM project for kids. They'll learn to encode a message using binary and bring it to life by designing a beaded bracelet.
Kids can learn all about support and balance in structures with this fun craft. Using paper hearts to build up shows just how unstable vs stable structures work.
Create DIY pink fizzy bath bombs with this fun Valentine's Day STEM activity. Kids will love learning about chemical reactions as they mix, mold, and design bath bombs.
Find out how to make this super cute valentines slime. Kids will love playing with this slime
Create your own Valentine tangram puzzle that kids will love. They can rebuild a square or use the shapes to make their own art.
More valentines activities for kids
Find all our Valentine’s Day activities for kids here.
Find 20 free Valentine printables for kids here.
Find the best picture books about love here.
Find more Valentine’s Day crafts for kids here.
Spring activities for kids
Get your free Signs of spring scavenger hunt printable here. Perfect for family walks this spring.
Find some simple Spring sensory play ideas here.
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