50 STEM Projects & Extracurricular STEM Activities for Kids
Can you protect a raw egg from breaking when dropped from high up? Have fun in this engineering challenge!
Easy
Build a rocket car that rolls across the floor using air from a balloon!
Easy
Discover the incredible power of lemons! With lemons and basic materials, you can create an eco-friendly battery that powers an LED light!
Easy
Have you ever wondered what happens when you mix colors of light? In this project, you will use flashlights and colored plastic sheets to find out!
Easy
Did you know that milk from the fridge can be transformed into plastic? How cool is that?
Easy
This simple Oobleck recipe of cornstarch and water is a fun introduction to the complex science of non-Newtonian fluids!
Easy
See colors magically move in milk with soap! This fun experiment demonstrates surface tension in a vivid way!
Easy
Get ready to create a massive, bubbling tube of toothpaste using only hydrogen peroxide, yeast and dish soap!
Easy
Let's see which paper airplane can fly the farthest! Fold, decorate, and launch your own planes to find the winning design.
Easy
Write secret messages using baking soda invisible ink and reveal them with grape juice in this cool science project!
Easy
Did you know you can change the color of flowers? With this science experiment, you can!
Easy
Want to uncover secret messages like a super spy? Learn how to write and reveal messages using lemon juice and a hair dryer!
Easy
Create a fizzing, bubbling reaction with baking soda and vinegar! Learn about acid-base reactions and have fun while doing it!
Easy
Have you ever seen raisins swim? Find out how to make raisins swim with this fun science experiment!
Easy
Did you know that some Skittles have a secret rainbow hiding inside them? It's true!
Easy
Explore this fascinating egg experiment with vinegar that makes a bouncy egg! Discover the science of acid and base chemical reactions and protein denaturation!
Easy
Did you know that something interesting happens when you place a sea shell into vinegar? Explore chemical reactions involving acids and bases in this fun experiment!
Easy
Let's explore how light and dark affect the germination of seeds!
Easy
Make your own sparkling rainbow crystals at home with Borax and see science in action!
Easy
Have you ever wondered why leaves change color in the fall? Let's find out by using chromatography to separate the colors of a green leaf!
Medium
Make your own sparkling geode rock crystals at home with Borax and see science in action!
Easy
Get ready to become a candy-making scientist! Grow your own giant sugar crystals and make rock candy you can eat!
Easy
With just a few simple steps, creating a cloud in a jar can help us understand the process of cloud formation!
Easy
Learn how arches are used to support heavy things with this fun experiment using egg shells!
Easy
Make music with water and a glass! Learn how to turn a drinking glass into an instrument.
Medium
Build a train that floats above a pair of magnetic tracks and can be pushed from one end to the other!
Easy
Have you ever noticed that sound changes when you move? Find out why with this fun science project!
Medium
Make a powerful vortex with two pop bottles and some simple supplies!
Medium
Can you make a pipe cleaner foil bug walk on water? Find out with this engineering challenge by building your own water strider and exploring the science of surface tension.
Medium
Can DNA be taken out of the cell? We'll find out using an onion! (Check out the video where DNA is taken out of strawberries!)
Medium
Have you ever wondered what kind of light we can't see? In this experiment, you will explore the invisible light called infrared and measure its temperature.
Hard
Make a hologram with nothing more than a compass and some scraps of plexiglas!
Hard
Learn how to make a battery from potatoes and measure the voltage and current it produces!
Easy
Can your favorite drinks harm your teeth? Find out using hard boiled eggs in this science project!
Medium
Want to make cool designs using leaves and flowers with sunlight? Explore how the Sun's UV rays affect construction paper while creating beautiful art.
Easy
Discover how to create beautiful shapes and images using simple geometric shapes and mathematical formulae.
Hard
Do you want to make your flowers last longer? Try adding sugar to the water!
Easy
Let's explore the microorganisms on our hands and the objects we touch! We'll use agar plates and a microscope to see what we can find.
Easy
Can plants survive without sunlight? Find out by covering part of a plant's leaves with shapes and observing the effects!
Easy
Can the size of a seed affect how fast it grows? Let's find out!
Easy
Can the temperature of the soil affect how fast a seed will sprout? Let's find out!
Easy
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