These Valentine’s Day science activities and experiments are sure to capture your students’ interest! So many science concepts to explore as you lead up to the holiday.
Be sure to add these ideas to your own list of valentine activities for preschoolers, although I’m positive older kids would love them, too.
Valentine’s Day Science Activities & Experiments
Below you’ll find 25 ideas for Valentine’s Day science with the kids.
I’ve included both science activities and science experiments here. That way, you can decided which concepts you want to weave into your Valentine’s Day planning.
There’s even a section that is JUST devoted to candy heart science, in case you’re looking for ways to use up all of those conversation hearts.
Fun Valentine’s Day Science
Okay, let’s jump right into the science activities for Valentine’s Day!
Start out by making a Valentine’s Day glitter jar of falling hearts. The children can learn about viscosity as they make these awesome calming bottles.
Here’s a video to see them in action:
Explore melting with Red Ted Art and Wee Warhols in a valentine salt and ice experiment.
Then set up a STEM challenge like Buggy and Buddy’s heart marshmallow toothpick structures.
Sugar Spice and Glitter’s fizzy baking soda hearts will get your Valentine’s Day scientists engaged.
Work with the children to explore density with Science Kiddo’s ice and oil experiment for Valentine’s Day.
I’m positive the kids will adore Pre-K Pages’ valentine bubble science.
Explore how to blow up a balloon with Alka Seltzer when trying Science Sparks’ Valentine’s Day science activity.
This Valentine’s Day oobleck recipe from Steam Powered Family looks ooey, gooey, and fun!
I love that Natural Beach Living’s Valentine’s Day volcano science experiment can double as a sweet gift for the holiday.
Grab your heart cookie cutters for Science Kiddo’s valentine magic milk activity.
Inspiration Laboratories has a great twist on the classic baking soda and vinegar experiment with her frozen vinegar hearts.
Add some art to your Valentine’s Day science activities with Teaching 2 and 3 Year Old’s frozen hearts.
Wow your students as they grow their own crystal hearts like I Heart Arts ‘n Crafts did.
Totschooling’s thawing a frozen heart activity is sure to appeal to your Frozen-loving little scientists.
Mix up fine motor and science with Powerful Mothering’s fizzing hearts.
Lemon Lime Adventures’ melting hearts frozen dough is a wonderful combination of science and sensory play for Valentine’s Day.
If you can spare some red candies, Gift of Curiosity’s heart STEAM activity is sure to capture the children’s interest.
Candy Heart Science Activities
As promised, here are some Valentine’s Day science activities just focused in on those beloved candy hearts!
You’ll definitely want to start off with some candy heart experiments to get your young scientists thinking.
Then engage the children in a candy heart STEAM activity – Valentine’s Day math and science with a mirror box.
Next, have the children work with you to make Fantastic Fun and Learning’s conversation heart squish bags.
Then see how you can create dancing hearts like Inspiration Laboratories did.
Preschool Inspirations’ candy heart fizzing science is sure to inspire a lot of scientific thinking this Valentine’s Day.
Create, test, and measure with Stir the Wonder’s candy heart catapult.
Left Brain Craft Brain challenges the kids to create candy heart towers, along with a variety of other Valentine’s Day science activities.
Lastly, break out the conversation hearts for Fantastic Fun and Learning’s candy heart rainbow experiment.
Materials for Your Valentine’s Day Science Activities
Are you super excited to get started on the Valentine’s Day science fun?
Choose your favorite idea or two (or three . . . or four . . .), grab the materials, and get started!
Below are some of the items you might need as you’re setting up for your Valentine’s Day science exploration:
And if you’re anything like me, you love to pair books with anything you do in the classroom.
So here are some Valentine’s Day books to share with your students before or after all of the science awesomeness:
Lesson Plans and Resources for Valentine’s Day
Pop on over to Preschool Teacher 101 for a variety of done-for-you resources that will make your life so much easier!
For even more of an impact, join the waiting list for The Pack from Preschool Teacher 101 (and grab a free set of lesson plans while you’re there).
Click on the photos below for more details:
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