These days, STEM learning is more important than ever. Science, technology, engineering, and math are the keys to many modern careers, so a good grounding in them from an early age is a must. The best STEM activities for kids are hands-on, leading students to cool innovations and real-world applications. Here are some of our favorites, with challenges and experiments that will really get kids thinking about how STEM plays a part in their everyday lives.
Want some quick challenges to try with elementary students? Get free printable stem challenge cards for grades K-5:
- Kindergarten STEM Challenges
- First Grade STEM Challenges
- Second Grade STEM Challenges
- Third Grade STEM Challenges
- Fourth Grade STEM Challenges
- Fifth Grade STEM Challenges
For more STEM activities for kids across a range of subjects, take a look at these ideas.
1. Add STEM bins to your classroom
STEM Focus: Science, Technology, Engineering, Math
Prepare for a wide variety of STEM activities for kids with these cool bins. Incorporate them into literacy centers, create a makerspace, and offer early finishers fun enrichment ideas. Learn how to create and use STEM bins.
2. Conduct an egg drop
STEM Focus: Engineering
This is one of those classic STEM activities every kid should try at least once. Kids can do it at any age, with different materials and heights to mix it up.
Learn more: Egg Drop at Buggy and Buddy
3. Engineer a drinking straw roller coaster
STEM Focus: Engineering
This is such a fun way to encourage engineering skills! All you need are basic supplies like drinking straws, tape, and scissors.
Learn more: Straw Roller Coaster at Frugal Fun for Boys and Girls
4. Find ways to slow soil erosion
STEM Focus: Science (Ecology), Engineering
Compare the effects of “rain” on hills of bare soil vs. those covered with grass. Have your 3rd grade science students predict which they think will stand up to erosion better and then test their hypotheses.
Learn more: Erosion Experiment at Third Grade Thinkers
5. Simulate an earthquake
STEM Focus: Engineering
The ground under our feet may feel solid, but an earthquake changes that pretty quickly. Use Jell-O to simulate the earth’s crust, then see if you can build an earthquake-proof structure.
Learn more: Earthquake Science at Teaching Science
6. Stand up to a hurricane
STEM Focus: Engineering
In a hurricane zone, houses must be able to stand up to strong winds and possible flooding. Can your students design houses that make it safer to live in these dangerous areas?
Learn more: Hurricane Houses at Carly and Adam
7. Create a new plant or animal
STEM Focus: Science (Biology)
Kids will really get into this project, indulging their creativity as they invent a plant or animal that’s never been seen before. They’ll need to be able to explain the biology behind it all, though, making this an in-depth project you can tailor to any class.
Learn more: Create a Creature at I Love 2 Teach
8. Design a helping hand
STEM Focus: Technology, Engineering
This is a great group science project. Students hone their design and engineering skills to make a working model of a hand. For a more advanced activity, challenge students to build a robotic hand that can be controlled remotely.
Learn more: Model Hand at Mombrite
9. Understand the impact of non-renewable resources
STEM Focus: Science (Environmental Science)
Discuss the differences between renewable and non-renewable resources, then have your class form “companies” to “mine” non-renewable resources. As they compete, they’ll see how quickly the resources are used. It’s a great tie-in to energy conservation discussions.
Learn more: Energy Resources at The Owl Teacher
10. Devise an amazing marble maze
STEM Focus: Engineering
Marble mazes are one of students’ favorite STEM activities! You can provide supplies like straws and paper plates for their project. Or let them use their imaginations and create marble mazes from any materials they can think of.
Learn more: Marble Maze on Raising Lifelong Learners
11. Fly clothespin airplanes
STEM: Engineering
Ask students what they think the airplane of the future might look like. Then, provide them with clothespins and wood craft sticks, and challenge them to build a new kind of airplane. Bonus points if it can actually fly!
Learn more: Clothespin Airplane at STEAMsational
12. Launch a catapult cannon
STEM Focus: Engineering
Catapult STEM challenges are always fun, but this one adds a new twist that allows kids to launch objects much farther than the usual wood craft stick version!
Learn more: Catapult Cannon and STEAM Powered Family
13. Bounce on a trampoline
STEM Focus: Engineering
Kids love bouncing on trampolines, but can they build one themselves? Find out with this totally fun STEM challenge.
Learn more: Trampoline Challenge at Student Savvy
14. Build a solar oven
STEM Focus: Science, Engineering
Learn about the value of solar energy by building an oven that cooks food without electricity. Enjoy your tasty treats while discussing ways we can harness the energy of the sun and why alternative energy sources are important.
Learn more: Solar Oven at Desert Chica
15. Build a snack machine
STEM Focus: Engineering
Incorporate everything students learn about simple machines into one project when you challenge them to build a snack machine. Using basic supplies, they’ll need to design and construct a machine that delivers snacks from one location to another.
Learn more: Snack Machine at Left Brain Craft Brain
16. Recycle newspaper into an engineering challenge
STEM Focus: Engineering
It’s amazing how a stack of newspapers can spark such creative engineering. Challenge students to build the tallest tower, support a book, or even build a chair using only newspaper and tape.
Learn more: Newspaper STEM Challenges at STEM Activities for Kids
17. Design a biosphere
STEM Focus: Science, Engineering
This project really brings out kids’ creativity and helps them understand that everything in a biosphere is really part of one big whole. You’ll be overwhelmed by what they come up with!
Learn more: Biosphere Project at Laney Lee
18. See the effects of an oil spill
STEM Focus: Science, Engineering
Learn why an oil spill is so devastating for wildlife and the ecosystem with this hands-on activity. Kids experiment to find the best way to clean up oil floating on water and rescue the animals affected by the spill.
Learn more: Oil Spill Cleanup at Kitchen Counter Chronicle
19. Assemble a steady-hand game
STEM Focus: Engineering, Technology
This is such a fun way to learn about circuits. It also brings in a bit of creativity, adding the “A” for STEAM.
Learn more: Steady Hand Game at Left Brain Craft Brain
20. Use cabbage to test pH
STEM Focus: Science (Chemistry)
Teach kids about acids and bases without needing pH test strips! Simply boil some red cabbage and use the resulting water to test various substances—acids turn red and bases turn green.
Learn more: Cabbage pH at Education Possible
21. Engineer a craft stick bridge
STEM Focus: Engineering
Here’s another one of those classic STEM activities that really challenge kids to use their skills. Build a bridge with Popsicle sticks and other materials, then compete to see which can bear the most weight.
Learn more: Bridge Challenge at Mommy Evolution
22. Forage and build a bird nest
STEM Focus: Science (Biology), Engineering
Birds build incredibly intricate nests from materials they find in the wild. Take a nature walk to gather materials, then see if you can build a sturdy, comfy nest of your own!
Learn more: Build a Bird Nest at Kids Craft Room
23. Drop parachutes to test air resistance
STEM Focus: Engineering
Use the scientific method to test different types of material and see which makes the most effective parachute. Your students also learn more about the physics behind air resistance.
Learn more: Parachute Challenge at Education.com
24. Find the most waterproof roof
STEM Focus: Engineering
Calling all future engineers! Build a house from LEGO, then experiment to see what type of roof prevents water from leaking inside.
Learn more: Waterproof Roof at Science Sparks
25. Build a better umbrella
STEM Focus: Engineering
Challenge students to engineer the best possible umbrella from various household supplies. Encourage them to plan, draw blueprints, and test their creations using the scientific method.
Learn more: Better Umbrella at Raising Lifelong Learners
26. Go green with recycled paper
STEM Focus: Science (Ecology)
We talk a lot about recycling and sustainability these days, so show kids how it’s done! Recycle old worksheets or other papers using screen and picture frames. Then, ask kids to brainstorm ways to use the recycled paper.
Learn more: Recycled Paper at Undercover Classroom
27. Brew up your own slime
STEM Focus: Science (Chemistry)
Chances are good your students already love making and playing with slime. Turn the fun into an experiment by changing the ingredients to create slime with a variety of properties—from magnetic to glow-in-the-dark!
Learn more: Slime Experiments at Little Bins for Little Hands
28. Create a taxonomy system
STEM Focus: Science (Biology)
Students can step into Linnaeus’ shoes by creating their own system of taxonomy using a handful of different dried beans. This is a fun science project to do in groups, so students can see the differences between each group’s system.
Learn more: Classification Systems at Our Journey Westward
29. Find out which liquid is best for growing seeds
STEM Focus: Science (Biology)
As you learn about the life cycle of plants, explore how water supports plants’ growth. Plant seeds and water them with a variety of liquids to see which sprout first and grow best.
Learn more: Plants and Liquids at Lessons for Little Ones
30. Create giant bubbles
STEM Focus: Science (Chemistry)
It’s easy to mix your own soap bubble solution with just a few ingredients. Let kids experiment to find the best proportion of ingredients to create giant bubbles, long-lasting bubbles, and other variations.
Learn more: Giant Soap Bubbles at Make and Takes
31. Make compost in a cup
STEM Focus: Science (Biology)
This is an easy science activity, and you can turn it into a science fair project by experimenting with different mixtures, layering, and conditions for your compost cups.
Learn more: Compost Cups at The Happy Housewife
32. Help monarch butterflies
STEM Focus: Science (Biology)
You may have heard that monarch butterflies are struggling to keep their population alive. Join the fight to save these beautiful bugs by planting your own butterfly garden, monitoring monarch populations, and more. Get all the info you need at the link.
Learn more: Monarch Education at Monarch Watch
33. See water pollution in action
STEM Focus: Science (Environmental Science, Chemistry, Biology)
Learn about the challenges of cleaning up polluted water sources like rivers and lakes with this interesting outdoor science activity. Pair it with a visit to a local water treatment plant to expand the lesson.
Learn more: Water Pollution at JDaniel4’s Mom
34. Test your local water quality
STEM Focus: Science (Chemistry, Environmental Science)
Once you’ve “cleaned up” your water, try testing it to see how clean it really is! Then head out to test other types of water. Kids will be fascinated to discover what’s in the water in their local streams, ponds, and puddles. Student water-testing kits are readily available online.
Learn more: Water Quality Experiment at The Homeschool Scientist
35. Explore with an edible Mars Rover
STEM Focus: Science (Space), Engineering
Learn about the conditions on Mars and the tasks the Mars Rover will need to complete. Then, give kids supplies to build their own. (Add to the challenge by making them “buy” the supplies and stick to a budget, just like NASA!)
Learn more: Edible Mars Rover at Library Makers
36. Bake the best potato
STEM Focus: Science (Physics)
This edible science project is a nutritious way to explore the scientific method in action. Experiment with a variety of methods for baking potatoes—microwaving, using a traditional oven, wrapping them in foil, using baking pins, etc.—testing hypotheses to discover which works best.
Learn more: Potato Science at Left Brain Craft Brain
37. Waterproof a boot
STEM Focus: Technology, Engineering
Ask kids to select various materials and tape them over the free boot printable. Then, test their hypotheses to see which ones work best.
Learn more: Waterproof a Boot at Science Sparks
38. Determine the best way to melt ice
STEM Focus: Science (Physics)
Conventional wisdom says we sprinkle salt on ice to melt it faster. But why? Is that really the best method? Try this science experiment and find out.
Learn more: Melting Ice at The Chaos and the Clutter
39. Don’t melt the ice
STEM Focus: Science (Physics)
We spend a lot of time in winter trying to get rid of ice, but what about when you don’t want the ice to melt? Experiment with different forms of insulation to see which keeps ice frozen the longest.
Learn more: Ice Insulation at Frugal Fun for Boys and Girls
40. Build a straw house
STEM Focus: Engineering
Grab a box of straws and a package of pipe cleaners. Then task kids with designing and building their dream house, using only those two items.
Learn more: Building a Straw House at Deceptively Educational
41. Design a balloon-powered car
STEM Focus: Engineering
Explore the laws of motion and encourage creativity when you challenge students to design, build, and test their own balloon-powered cars. Bonus: Use only recycled materials to make this project green!
Learn more: Balloon-Powered Car at One Little Project
42. Learn map skills by designing an amusement park
STEM Focus: Science (Physics), Technology, Engineering, Math
For this cross-curricular activity, students investigate the parts of a map by creating an amusement park. After they create their map, they do a detailed drawing and write about one of their ride designs. Then they design an all-access park pass. So many STEM activities in one! Find out more about it here.
43. Reach for the ceiling
STEM Focus: Engineering
Round up all your building blocks and try this whole-class project. What will students need to do to be able to construct a tower that reaches all the way to the ceiling?
Learn more: Block Tower at Mama Smiles
44. Cast a tall shadow
STEM Challenge: Science (Physics)
Here’s another tower-building challenge, but this one’s all about shadows! Kids will experiment with the height of their tower and the angle of their flashlight to see how tall of a shadow they’re able to cast.
Learn more: Shadow Towers at No Time for Flash Cards
45. Devise a recycled toy bot
STEM Focus: Engineering
These adorable toy bots are made from pool noodles and recycled electric toothbrushes. So clever! Kids will have fun designing their own, plus they can tweak this idea to make other fun wiggling toys.
Learn more: Recycled Toy Bot at Artsy Momma
46. Link up the longest paper chain
STEM Focus: Engineering
This incredibly simple STEM activity really gets kids thinking. The challenge? Create the longest-possible paper chain using a single piece of paper. So simple and so effective.
Learn more: Paper Chain Challenge at Frugal Fun for Boys and Girls
47. Find out what you can make from a plastic bag
STEM Focus: Science (Environmental Science), Engineering
Plastic bags are one of the most ubiquitous items on the planet these days, and they’re difficult to recycle. Give each student a plastic bag and ask them to create something new and useful. (These ideas from Artsy Craftsy Mom offer some inspiration.)
48. Start a school robotics team
STEM Focus: Technology
Coding is one of the most valuable STEM activities you can include in your classroom plans. Set up a school robotics club and inspire kids to embrace their newfound skills! Learn how to set up your own club here.
49. Embrace the Hour of Code
STEM Focus: Technology
The Hour of Code program was designed as a way to get all teachers to try just one hour of teaching and learning coding with their students. Originally, the Hour of Code event was held in December, but you can organize yours any time. Then, continue to learn using the huge amount of resources on Hour of Code’s website.
50. Give kids a Maker Cart and a pile of cardboard
STEM Focus: Science, Technology, Engineering, Math
You don’t need a whole lot of fancy supplies to create a STEM Cart or makerspace. Scissors, tape, glue, wood craft sticks, straws—basic items like these combined with a stack of cardboard can inspire kids to create all sorts of amazing projects! See how these STEM activities work here.
What are your favorite STEM activities for kids? Come share in the We Are Teachers HELPLINE group on Facebook.
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