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100 Science Experiments for Kids that Use Materials You Already Own!

One of the best ways to inspire a love of science and learning in your kids is to introduce them to science experiments for kids at an early age.

These science experiment ideas are all simple enough for elementary kids and are designed for kids in elementary school and are a good place to start when just starting out trying STEM activities for kids!

However, these science project ideas are easy enough to expand into something that would also work as a middle school science experiment and many of them can also be simplified for kids in kindergarten, preschool, and even for toddlers!

Looking for science experiments for kids? These school science projects for kids are the perfect science projects for kids to use for school science fairs and science learning with kids! #science #scienceexperiment #stemactivities #stem

It’s never too early to start science experiments with kids.

Easy and Low-Cost Science Experiments for Kids

Try these easy and fun science experiments when you need a no-fuss science experiment for kids! You can’t fail with these science experiments for kids!

If this is one of your first times doing a science experiment, or teaching one, you’ll want to brush up on my guide on how to do science experiments. It’s not just about the flashy reaction!

Over 100 Low-Prep Science Experiments and Lesson Plans!

We love science, and this list of science projects will keep you busy with science activities for years! Did you know that the benefits of hands-on science experiments are scientifically documented? You can read all about the benefits of science experiments here.

And if you’re wondering, “Hey, what is a science experiment anyway?” then you can read all about that, too!

If you’re getting started with science, try these easy science experiments that even non-science teachers can easily do with kids.

If you’re more familiar with science, keep scrolling to get to the list of 100s of science experiments with dozens of themes!

Science Supplies for Teachers

If you are new to teaching science, you might not know exactly what supplies you’ll need throughout the year. If you don’t know where to start, check out my list of must-have supplies for science experiments, or you can browse the lists below to start shopping right away!

Learn & Climb Kids Science Kit - Over 60 Experiments, Fun with Science!Learn & Climb Kids Science Kit – Over 60 Experiments, Fun with Science!Learn & Climb Kids Science Kit - Over 60 Experiments, Fun with Science!Scientific Explorer Scientific Explorer Magic Science for Wizards Only Kids Science KitScientific Explorer Scientific Explorer Magic Science for Wizards Only Kids Science KitScientific Explorer Scientific Explorer Magic Science for Wizards Only Kids Science KitCIRO solar robot kit 12 in 1 educational STEM learning science building toys for kids age 8-12CIRO solar robot kit 12 in 1 educational STEM learning science building toys for kids age 8-12CIRO solar robot kit 12 in 1 educational STEM learning science building toys for kids age 8-12Snap Circuits Jr. SC-100 Electronics Exploration Kit, Kids Building Projects Kits, Stem Engineering Toys for Kids 8+Snap Circuits Jr. SC-100 Electronics Exploration Kit, Kids Building Projects Kits, Stem Engineering Toys for Kids 8+Snap Circuits Jr. SC-100 Electronics Exploration Kit, Kids Building Projects Kits, Stem Engineering Toys for Kids 8+Soap & Bath Bomb Making Kit for Kids - 3-in-1 Spa Science Kits For Kids : Complete Soap Making Kit & Make Your Own Bath Bombs, Soap & Bath Scrubs : Kids Science Kit For Kids - Gift for Girls and BoysSoap & Bath Bomb Making Kit for Kids – 3-in-1 Spa Science Kits For Kids : Complete Soap Making Kit & Make Your Own Bath Bombs, Soap & Bath Scrubs : Kids Science Kit For Kids – Gift for Girls and BoysSoap & Bath Bomb Making Kit for Kids - 3-in-1 Spa Science Kits For Kids : Complete Soap Making Kit & Make Your Own Bath Bombs, Soap & Bath Scrubs : Kids Science Kit For Kids - Gift for Girls and BoysScientific Explorer Disgusting Science KitScientific Explorer Disgusting Science KitScientific Explorer Disgusting Science KitLearn & Climb Erupting Volcano Science Kit for Kids- 15 Experiments!Learn & Climb Erupting Volcano Science Kit for Kids- 15 Experiments!Learn & Climb Erupting Volcano Science Kit for Kids- 15 Experiments!Klutz Lego Chain Reactions Science & Building Kit, Age 8Klutz Lego Chain Reactions Science & Building Kit, Age 8Klutz Lego Chain Reactions Science & Building Kit, Age 84M 4605 Water Rocket Kit - DIY Science Space Stem Toys Gift for Kids & Teens, Boys & Girls4M 4605 Water Rocket Kit – DIY Science Space Stem Toys Gift for Kids & Teens, Boys & Girls4M 4605 Water Rocket Kit - DIY Science Space Stem Toys Gift for Kids & Teens, Boys & GirlsGiggleway Electric Motor Robotic Science Kits, DIY STEM Toys for kids, Building Science Experiment Kits for Boys and Girls-Doodling, Balance Car, Reptile Robot (3 kits)Giggleway Electric Motor Robotic Science Kits, DIY STEM Toys for kids, Building Science Experiment Kits for Boys and Girls-Doodling, Balance Car, Reptile Robot (3 kits)Giggleway Electric Motor Robotic Science Kits, DIY STEM Toys for kids, Building Science Experiment Kits for Boys and Girls-Doodling, Balance Car, Reptile Robot (3 kits)2Pepers Electric Motor Robotic Science Kits for Kids (4-in-1), DIY STEM Toys Kids Science Experiment Kits, Building Educational Robotics Kit for Boys and Girls,Circuit Engineering Science Project Kits2Pepers Electric Motor Robotic Science Kits for Kids (4-in-1), DIY STEM Toys Kids Science Experiment Kits, Building Educational Robotics Kit for Boys and Girls,Circuit Engineering Science Project Kits2Pepers Electric Motor Robotic Science Kits for Kids (4-in-1), DIY STEM Toys Kids Science Experiment Kits, Building Educational Robotics Kit for Boys and Girls,Circuit Engineering Science Project KitsLearn & Climb Science Kit for Kids - Set Includes Over 65 Science Experiments + Scientist Name tag!Learn & Climb Science Kit for Kids – Set Includes Over 65 Science Experiments + Scientist Name tag!Learn & Climb Science Kit for Kids - Set Includes Over 65 Science Experiments + Scientist Name tag!Dino Soap Making Kit for Kids - Dinosaur Science Kit for Kids : Great Gift for Girls and BoysDino Soap Making Kit for Kids – Dinosaur Science Kit for Kids : Great Gift for Girls and BoysDino Soap Making Kit for Kids - Dinosaur Science Kit for Kids : Great Gift for Girls and BoysLight-up Crystal Growing Science Experiments Kit for Kids - Grow Your Own Crystals and Make Them Glow : Best Gifts for Kids, Boys & Girls - STEM Toys - Crystal Making Science Kits - (Red White Blue)Light-up Crystal Growing Science Experiments Kit for Kids – Grow Your Own Crystals and Make Them Glow : Best Gifts for Kids, Boys & Girls – STEM Toys – Crystal Making Science Kits – (Red White Blue)Light-up Crystal Growing Science Experiments Kit for Kids - Grow Your Own Crystals and Make Them Glow : Best Gifts for Kids, Boys & Girls - STEM Toys - Crystal Making Science Kits - (Red White Blue)Thames & Kosmos Simple Machines Science Experiment & Model Building Kit, Introduction to Mechanical Physics, Build 26 Models to Investigate The 6 Classic Simple MachinesThames & Kosmos Simple Machines Science Experiment & Model Building Kit, Introduction to Mechanical Physics, Build 26 Models to Investigate The 6 Classic Simple MachinesThames & Kosmos Simple Machines Science Experiment & Model Building Kit, Introduction to Mechanical Physics, Build 26 Models to Investigate The 6 Classic Simple MachinesThe Mason Jar Scientist: 30 Jarring STEAM-Based ProjectsThe Mason Jar Scientist: 30 Jarring STEAM-Based ProjectsThe Mason Jar Scientist: 30 Jarring STEAM-Based Projects

 

If you love science and STEM but don’t like hunting for supplies, we love the Mel Science kits. They have options for elementary and middle school, and each kit comes with all the supplies needed for each experiment!

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Science Experiment Topics from Geology to Biology

If you want to study a specific science topic, these science experiments are the place to start! From geology to weather, science is tons of fun when you pick the right topic!

Here is the list of my favorite elementary science topics. There are so many fun science themes and topics to chose from.

Looking for science experiments for kids? These school science projects for kids are the perfect science projects for kids to use for school science fairs and science learning with kids! #science #scienceexperiment #stemactivities #stem

Easy Season Experiments to Make Science Fun Year-Round

Try these fun season experiments with seasonal twists for winter, spring, summer, and fall- and do science all year long! You can have fun with the season and learn with science all at the same time!

Here are the best winter science experiments perfect for kids of all ages.

When spring is around the corner, try these spring science experiments!

During the summer, don’t let science learning slip! Instead, do these summer science experiments.

And this fall, try some of the fun fall science experiments on this list.

Science Experiments by Grade

These experiments are curated with ages and grade levels of children in mind. There is so much science to learn at every stage and in every grade!

For the youngest scientist, try these preschool science experiments. Easy science projects will start them off right with a deep love of science from the start!

Science Fair Project Ideas

Entering a science fair? Here you’ll find all the science fair project ideas you need!

And here are some elementary science fair projects designed for kids in 2nd to 6th grade.

More Fun Science Themes for Kids

There are tons of fun science themes for kids that go beyond a science topic or season of the year. If you are looking for out-of-the-box science themes, then you’ll love this list of creative science themes for kids!

Get the list of our favorite science themes for kids right here! Find experiment ideas from mermaids and carnivals to gross science and candy science! You really can help any child fall in love with science with these create science theme ideas.