Get kids outside to build, test, explore, and discover with these fun outdoor STEM activities! Whether you’re planning a backyard science day, summer camp, homeschool lesson, or classroom challenge, these outdoor STEM projects encourage creativity, problem-solving, engineering, and hands-on learning.
From launching rockets and building forts to measuring weather and exploring nature, these activities make it easy to combine science, technology, engineering, and math with outdoor play.
What Is Outdoor STEM?
Outdoor STEM activities combine science, technology, engineering, and math with hands-on learning outside. Kids can build structures, launch rockets, investigate weather, explore nature, collect data, and solve engineering challenges while developing critical-thinking and problem-solving skills.
Science Concepts
Engineering Design • Forces & Motion • Weather • Measurement • Scientific Investigation
Best For
Grades K–5 | Homeschool | Classroom | STEM Club | Summer Camp
Top Outdoor STEM Activities
Start with these favorite outdoor STEM projects that combine science, engineering, problem-solving, and creativity.
🚀 Bottle Rocket
Launch a rocket powered by air pressure and experiment with different designs.
☀️ Solar Oven
Harness the sun’s energy to build and test a working solar cooker.
🌊 Water Wall
Design a gravity-powered water system and discover how water flows through different pathways.
🕑 DIY Sundial
Set up a simple sundial and learn about the position of the sun to tell time.
✈️ Paper Airplane Launcher
Compare airplane designs and discover which flies the farthest.
🌬️ DIY Anemometer
Measure wind speed and collect real weather data.
🐝 Insect Hotel
Create a habitat for beneficial insects and learn about local ecosystems.
🚀 Straw Rocket
Design, launch, and improve your own paper rockets.
Grab Your Free Outdoor STEM Guide
This free printable Outdoor STEM Guide includes activity ideas, science journal pages, and helpful resources to make outdoor learning easy. Hang it on the fridge, bulletin board, or classroom wall as a reminder to get outside and explore.
Outdoor Engineering Challenges
Engineering is all about designing, building, testing, and improving. Outdoor spaces provide the perfect environment for larger projects and open-ended challenges that encourage kids to think like engineers.
- Build a stick fort using natural materials.
- Design and build a water wall.
- Create a homemade toy zip line.
- Make a pulley system and explore simple machines.
- Build a solar oven and test different foods.
- Design a paddle boat and see how far it travels.
- Design a bridge, then test its strength.
- Build a tower challenge using simple materials or outdoor materials.
- Build a pipe line and see how far you can make water travel
- Rain Gutter Regatta – Coming Soon
👉 Looking for more design-and-build activities? Explore our Engineering Projects for Kids collection.
Flight And Launch Activities
Few STEM activities capture attention like things that fly, spin, launch, and soar. These challenges encourage kids to experiment with forces, motion, gravity, lift, thrust, and air resistance as they improve their designs.
- Build and launch a bottle rocket (air pressure or baking soda and vinegar)
- Create an Alka-Seltzer rocket.
- Test paper airplane designs.
- Build a paper airplane launcher.
- Make paper helicopters and compare results.
- Design and test parachutes.
- Create a kite and investigate wind conditions.
- Measure launch distance and improve your designs.
👉 Explore even more Flight and Launch STEM Activities (coming soon)
Nature STEM Activities
Nature offers endless opportunities for STEM learning. Kids can observe, build, collect, compare, and investigate while developing a deeper understanding of the natural world.
- Build an insect hotel.
- Create a mason bee house.
- Design and build a bird feeder.
- Start a rock collection.
- Build a nature shelter using sticks and leaves.
- Investigate seeds and seed dispersal.
- Observe local wildlife like birds!
- Complete a nature STEM scavenger hunt.
👉 Looking for more observation-based activities? Visit our Nature Science Activities collection.
Weather And Measurement Activities
Weather investigations are a great way to combine science, math, observation, and data collection. These activities encourage kids to ask questions, track changes, and identify patterns over time.
- Make a cloud viewer and identify cloud types.
- Build an anemometer to measure wind speed.
- Create a wind vane.
- Set up a DIY rain gauge.
- Track weather patterns over time.
- Build a sundial.
- Measure daily temperatures.
- Observe shadows throughout the day.
- Record moon phases throughout the month.
- Learn how to make a water clock.
👉 Find more Weather Experiments and Activities for Kids.
Outdoor Science Experiments
Science experiments outdoors can be bigger, messier, and even more exciting. These hands-on investigations encourage kids to make predictions, test ideas, and explore scientific concepts through play.
- Create an exciting Mentos-and-soda eruption.
- Build a baking soda and vinegar volcano.
- Make bursting bags with a simple chemical reaction.
- Launch an Alka-Seltzer rocket.
- Explore surface tension with geometric bubbles.
- Set up a leakproof bag experiment.
- Blow giant bubble snakes.
- Build and launch a bottle rocket.
👉 Explore even more Outdoor Science Activities and Summer Science Experiments.
Outdoor STEM Camp Ideas
Planning a STEM camp, homeschool unit, or summer learning week? Outdoor STEM activities are perfect for encouraging collaboration, creativity, and hands-on exploration.
- Try a week of engineering challenges.
- Create a weather observation station.
- Build and launch rockets.
- Complete daily nature STEM challenges.
- Collect and graph outdoor data.
- Design structures using natural materials.
👉 Looking for more themed activities? Explore our Summer STEM Activities collection.
Outdoor STEAM Activities
STEM and creativity go hand in hand! These outdoor STEAM activities combine science, engineering, and art while encouraging kids to experiment with color, texture, weather, and natural materials.
Try these creative outdoor projects:
🎨 Fizzy Sidewalk Paint
Explore chemical reactions while creating colorful outdoor art.
☀️ Sun Prints
Investigate sunlight and UV exposure using toys or nature items.
🌧️ Rain Painting
Use watercolor pencils and rainy weather (solubility) to create one-of-a-kind artwork.
🧊 Ice Cube Painting
Experiment with melting ice (states of matter) and color mixing through process art.
🍃 Nature Art
Create temporary artwork using leaves, flowers, sticks, and other natural materials.
👉 For even more creative outdoor projects, explore our Outdoor Art Activities collection.
FAQ
What are outdoor STEM activities?
Outdoor STEM activities combine science, technology, engineering, and math with hands-on learning outside. Kids might build structures, launch rockets, collect weather data, investigate nature, or solve engineering challenges.
Why is outdoor STEM important?
Outdoor STEM encourages critical thinking, creativity, problem-solving, collaboration, and observation skills while helping kids connect learning to the real world.
How do you teach STEM outside?
Start with simple challenges that encourage kids to build, test, observe, measure, and improve their ideas. Engineering projects, weather investigations, nature studies, and science experiments are all excellent starting points.
What age is outdoor STEM best for?
Most outdoor STEM activities can be adapted for children ages 5–12, making them ideal for elementary classrooms, homeschool groups, camps, and family learning.
What materials do you need for outdoor STEM activities?
Many outdoor STEM activities use simple supplies such as cardboard, paper, string, tape, recycled materials, plastic bottles, measuring tools, sticks, rocks, leaves, and other natural materials.
Want more hands-on STEM ideas that actually work?
Our Classic STEM & Engineering Projects Pack includes 50+ favorite experiments and engineering challenges with printable journal pages, instructions, and easy-to-find supplies. Perfect for classrooms, homeschool, and curious kids who love to build and test ideas.
Do you have instructions for the Stem challenges please? Particularly catapults.