Free Science Experiments for Kids
Created by a 30+ Year Science Teacher
Looking for fun and easy science experiments for kids?
These hands-on STEM activities use simple materials and are designed to help children explore, experiment, and understand real science at home or in the classroom.
New experiments added weekly — building towards 300+
Start exploring by category below
Trusted by parents, teachers and schools
New to science experiments? Start here!
Push, pull, spin, and balance — simple experiments that explain how things move
Colour mixing, light tricks, and illusions that will mess with your eyes
Make noise, feel vibrations, and discover how sound travels
Push, pull, spin, and balance — simple experiments that explain how things move
Colour mixing, light tricks, and illusions that will mess with your eyes
Make noise, feel vibrations, and discover how sound travels
Explore weather, water, rocks, and the powerful forces shaping our planet
Build rockets, explore gravity, and blast into space science
Dig fossils, explore dinosaurs, and uncover how living things grow and change
Discover the incredible science happening inside your body every single day.
Build, test, invent, and solve exciting real-world engineering challenges.
Make your hair stand up with static, build circuits, and explore magnets
Make your hair stand up with static, build circuits, and explore magnets
Holiday and seasonal science experiments packed with hands-on fun
Make multilayered columns and more while exploring density and floating.
Investigate heat, energy transfer, and how temperature affects materials
Explore the Crazy Scientist Universe
From free experiments to live shows, classrooms, and crazy science adventures — there’s a whole world to explore.
