20+ Spring STEM Experiments and Activities

Spring is a terrific time to conduct STEM (Science Technology Engineering Math) experiments and activities in your classroom. Plant life cycles, types of weather, and the water cycle are popular STEM themes during this time of year. The STEM experiments and activities featured in this round-up were created by moms and teachers from all over the internet. If you see an activity in this post that you'd like to try, click on its link and head to its original website for material lists, directions, photos, etc. There are lots of spring activities in this post, so let's dive right in!

The science and STEM activities in this list can be used to meet a variety of learning objectives in the classroom. The majority of the materials needed for these activities can be purchased inexpensively at a dollar store or obtained from upcycling items found around the house.

Plants and Flowers

• Combine chromotology and electricity to create these circuit flowers by Steam Powered Family.
• Learn how plants absorb water with this colored flower experiment by Team Cartright.
• Investigate the seasonal changes in plants with this bursting buds science project by Only Passionately Curious.
• Observe capillary action in plants with this color-changing rainbow flowers experiment by STEAMsational.
• Investigate the parts of a flower with this flower dissection lesson plan by STEAMsational.
• Discover how plants adapt to varying amounts of light with this phototropism science experiment by Mama Smiles.
• Learn about dandelion life cycles with this children's book and science craft by Kelly's Classroom Online.

Planting Seeds and Gardening

• Learn how to grow sunflowers in flower pots in this tutorial by Growing Family.
• Learn how to plant seedlings in these upcycled toilet paper tubes in this tutorial by The Forked Spoon.
• Learn how to grow plants in a terrarium made from an upcycled soda bottle in this tutorial by Team Cartwright.
• Learn how to grow mint from cuttings in this tutorial by Sloely.
• Learn how to grow plants in a self-sustained ecosystem made from a soda bottle in this tutorial by Carly and Adam.
• Learn how to grow celery from scraps in this tutorial by Kelly's Classroom Online.

Weather and Rainbows

• Explore the colors of the rainbow with this baking soda and vinegar activity by Two Kids and a Coupon.
• Observe changes in temperature with this homemade thermometer by Teach Beside Me.
• Discover how warm air rises in this thunderstorm science demonstration by Mombrite.
• Learn how groundhogs are used to predict when spring will arrive in this post by Kelly's Classroom Online.
• Observe changes in air pressure with this homemade barometer by Edventures with Kids.
• Grow your own rainbow with this crystal growing experiment by Living Life and Learning.
• Learn about the types of clouds with this children's book + science craft by Kelly's Classroom Online.

Did you enjoy this collection of Spring STEM and science activities? If so, check out these blog posts for more spring and science ideas:

• Craft + STEM: How to Make Seed Paper Hearts
• STEM: How to Grow Radishes from Scraps
• Book: Grow! How We Get Food from Our Garden by Karl Beckstrand
• STEM: How Do Seeds Travel? (Dirty Socks STEM Experiment)
• STEM: How to Grow Celery from Scraps
• STEM: What Happens When You Plant Birdseed?
• Book: Charlie Tractor and the Garden by Carrie and Katie Weyler

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