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25+ Amazing STEM Activities for Kids to Get Them Excited for the School Year

25+ Amazing STEM Activities for Kids to Get Them Excited for the School Year

The end of August is near so I thought what better way to get kids excited and pumped for school than with an introduction to STEM? STEM or science, technology, engineering, and math activities are a great way for kids to learn about these subjects at an early age. While STEM in itself may sound a bit dry to a child, you’d be surprised at how easy it is to get kids excited about these subjects at home. There are so many home-based experiments you can set up and do with your kids that are affordable, educational and a whole lot of fun!

These are awesome little experiments that will get those little brains thinking and loving STEM! Have them come up with educated guesses about why and how something was happening while predicting what would happen. During or after an experiment, parents can go over the science behind each experiment, answer questions – like how it applies to real life – to really get them excited about STEM! Give them a notebook to record their hypotheses and findings.

Keep reading below for 25 amazing STEM activities for kids to get them excited for the school year.

Crystal Names

25+ Amazing STEM Activities for Kids to Get Them Excited for the School Year

Courtesy Playdough to Plato

With just a few household ingredients, kids can grow their own borax name crystals in just a few hours. If your kids are already slime lovers, you probably already have borax at home. You’ll also need pipe cleaners and fishing line for this experiment.

Related: 11 Easy and Completely Edible Slime Recipes for All Ages

Orange Buoyancy

25+ Amazing STEM Activities for Kids to Get Them Excited for the School Year

Courtesy Playdough to Plato

Teach kids about buoyancy with this orange experiment. Have them place an orange in a container of water and watch it float. This is due to the presence of air pockets between the peel and the orange. Have the kids remove the peel from another orange and compare the density difference when the peeled orange sinks to the bottom!

Homemade Spectroscope

25+ Amazing STEM Activities for Kids to Get Them Excited for the School Year

Courtesy Buggy and Buddy

Kids can learn about light diffraction with this easy craft project. All you’ll need is an empty paper roll, a CD, and some tape to observe a rainbow any time of the day.

Flower Experiment

25+ Amazing STEM Activities for Kids to Get Them Excited for the School Year

Courtesy Growing a Jeweled Rose

Teach kids the process of water uptake with roses, daisies, and even celery! Just place a few drops of food coloring into a vase filled with water to see the change in the flower petals. White roses tend to have the fastest change overnight, while daisies can take up to 2 weeks to change into the vibrant colors pictured above. Make it a fun game! Have the kids pick out different flowers and attempt guesses as to which flower will alter their petal colors first.

Rain Cloud in a Jar

25+ Amazing STEM Activities for Kids to Get Them Excited for the School Year

Courtesy The STEM Laboratory

Get kids excited about the process of rain! Shaving cream, food coloring, and plastic pipettes are essentials to this fun and interactive experiment.

Stop-Action Animation Movie

25+ Amazing STEM Activities for Kids to Get Them Excited for the School Year

Courtesy Kids’ Activities Blog

Stop-action animation was once the core of animation. Let kids create their own movie with the help of their toys and a camera.

Tornado in a Jar

25+ Amazing STEM Activities for Kids to Get Them Excited for the School Year

Courtesy Homeschool On

It’s amazing what weather conditions we can recreate in a jar. Have kids create their own mini tornado with dish soap, vinegar, and blue food coloring. Rebecca also includes a super informative video about tornadoes and how they form!

Marshmallow Engineering Project

25+ Amazing STEM Activities for Kids to Get Them Excited for the School Year

Courtesy What Does She Do All Day

Toothpicks and mini marshmallows are all kids need to learn basic engineering skills. Have them build everything from houses to bridges. Maybe even a roller coaster!

Stick Raft Building

25+ Amazing STEM Activities for Kids to Get Them Excited for the School Year

Courtesy Kids Craft Room

Have kids build a mini raft with sticks and let them test out their designs in the water. It’s the perfect project to wrap up summer.

Build a Paddle Boat

25+ Amazing STEM Activities for Kids to Get Them Excited for the School Year

Courtesy Coffee Cups and Crayons

This is another fun project for kids to test in the water. This eco-friendly craft requires a milk jug and a plastic bottle to keep it afloat and moving along.

Fractions Art Project

25+ Amazing STEM Activities for Kids to Get Them Excited for the School Year

Courtesy Schooling a Monkey

In my opinion, math, as well as many other subjects, can be better understood visually. This project can help kids grasp the concept of fractions much better than old-school methods.

DIY Lava Lamp

25+ Amazing STEM Activities for Kids to Get Them Excited for the School Year

Courtesy Juggling with Kids

Alka-seltzer, vegetable oil and food coloring are things you probably already have in the home and combined, these ingredients can be used to create a lava lamp. Alka-seltzer reacts in water to form carbon dioxide which results in the creation of bubbles. In turn, the vegetable oil carries the colored water, which actively rises to the top of the container along with the gas. Add a light source for a super cool DIY lava lamp!

Expanding Ivory Soap Bar

25+ Amazing STEM Activities for Kids to Get Them Excited for the School Year

Courtesy The STEM Laboratory

Kids can learn about the amazing chemistry behind gases, liquids, and solids with a bar of Ivory soap. Because Ivory soap is whipped when it’s made, it contains air pockets that expand when heated or in this case microwaved. Kids will love this new sensory experience as much as they love the science behind it.

Turn a Penny Green

25+ Amazing STEM Activities for Kids to Get Them Excited for the School Year

Courtesy Schooling a Monkey

Teach kids about the oxidation process with the help of a bit of salt and vinegar. The green coating known as malachite can take a day to form and sometimes even up to 2 weeks so be prepared to have the kids practice their patience as well!

Design a LEGO Code Maze

25+ Amazing STEM Activities for Kids to Get Them Excited for the School Year

Courtesy Research Parent

This introduction to coding is suitable for all ages, from elementary school kids to high schoolers. It’s a truly engaging and educational project that’s also a whole lot of fun.

Build an Erupting Sand Volcano

25+ Amazing STEM Activities for Kids to Get Them Excited for the School Year

Courtesy Growing a Jeweled Rose

Next time, you head to the beach grab a bottle of vinegar and some baking soda. This experiment is a less messy alternative to your classic erupting volcano made of paper mache. It’s also much easier to construct and will instantly create an unforgettable beach day.

Glowing Bouncy Egg

25+ Amazing STEM Activities for Kids to Get Them Excited for the School Year

Courtesy The STEM Labratory

Eggs, vinegar, and highlighters are all kids need to transform a regular egg into a glowing bouncy ball of fun. With this experiment, kids can learn about the process of osmosis, the permeating of liquid across a semipermeable membrane. Make sure to play with these eggs outdoors since the yolk is still liquid and things can get quite messy if the eggs are bounced hard enough!

Egg Drop Experiment

25+ Amazing STEM Activities for Kids to Get Them Excited for the School Year

Courtesy Schooling a Monkey

Have kids design a protective container to protect their egg when dropped from above. Supply things like cotton, straws, and tape, but let them come up with their own materials for the experiment as well. This is a great way to challenge kids to test new and innovative engineering ideas.

Fizzing Snowball Bath Bomb

25+ Amazing STEM Activities for Kids to Get Them Excited for the School Year

Courtesy The Stem Laboratory

Science is much more fun with fizz. Have kids create their own bath bombs in this easy tutorial. Then let them watch their science experiment in action in the bath as the chemical reaction between citric acid and baking soda releases carbon dioxide to create bubbles.

Related: 14 Best DIY Lush Inspired Bath Bombs Anyone Can Make

Minty Reindeer Toothpaste

25+ Amazing STEM Activities for Kids to Get Them Excited for the School Year

Courtesy Playdough to Plato

There are quite a bit more ingredients that go into this sensory experience, but let me tell you – it’s totally worth it! Kids learn about exothermic reactions as well as the purpose of catalysts in this foamy experiment.

Craft Stick Catapults

25+ Amazing STEM Activities for Kids to Get Them Excited for the School Year

Courtesy Coffee Cups and Crayons

Explore the usage of levers in this DIY catapult made of craft sticks. This project not only introduces some fundamentals of physics, it’s also a ton of fun for the little ones.

Homemade Wigglebot

25+ Amazing STEM Activities for Kids to Get Them Excited for the School Year

Courtesy Research Parent

With just a few household items and a DC motor, kids can build their first robot for under $10. This robot also knows how to create art! How cool is that?

Straw Roller Coaster

25+ Amazing STEM Activities for Kids to Get Them Excited for the School Year

Courtesy Frugal Fun 4 Boys

Building a roller coaster has never been so fun. Introduce physics and engineering in an innovative way with this straw coaster project that’ll have them occupied for hours.

Craft Stick Bow and Arrow

25+ Amazing STEM Activities for Kids to Get Them Excited for the School Year

Courtesy Instructables

Your little engineer can learn to construct their own functional bow and arrow with craft sticks and a glue gun. Once kids learn the initial design, encourage them to come up with new models.

Propeller-Powered Car

25+ Amazing STEM Activities for Kids to Get Them Excited for the School Year

Courtesy Instructables

Have kids create a propeller car with craft sticks, propellers, tape and other household supplies. This is a project fit for any car enthusiast.

Rainbow Jar and Liquid Density

25+ Amazing STEM Activities for Kids to Get Them Excited for the School Year

Courtesy Playdough to Plato

Help kids understand the density of liquids with this simple (and pretty) science experiment.


I hope these projects ignite a hard passion for the STEM subjects in your kids.

And as always, if you have any questions or would like to share a STEM project, feel free to leave a comment down below.

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