Carnival STEM (Awesome Summer Science Experiments)
Check in each week at Science Buddies this summer for our Awesome Summer Science Experiments series! Each week, we'll highlight a few activities for awesome science and engineering kids can do at home. We've got a whole summer of fun STEM themes lined up for kids of all ages — for free. This week: big-top science with awesome summer science experiments that tap into the spirit of the local fair, amusement park, or carnival.

Awesome Carnival STEM
Ready for backyard, amusement park fun with science? Step right up! From carnival games to marble roller coasters, funhouse mirrors, and bottle flipping, this week's Carnival STEM experiments bring the excitement home. Add in popcorn, homemade tickets, and some prizes scavenged from around the house for a fun summer carnival experience!
The activities in Week 9 of our Awesome Summer Science Experiments series feature STEM experiments that focus on the physics of balancing, mirrors and reflection, trajectory and momentum, centripetal force, and potential and kinetic energy.
Awesome Summer Science Experiments Week 9: Experiment | Watch | Do More | Ask | Explore | Read
EXPERIMENT: Carnival STEM
Mirror Distortion
Have you ever looked in a mirror that made you look taller or shorter or bigger or smaller than you are? These mirrors can be fascinating, but what's the secret? Make your own funhouse mirror and explore the wacky world of curved mirrors. What happens when you look at something in a curved mirror compared to a flat one? What's the difference between concave and convex mirrors?A Balancing Act
Have you ever seen a clown balancing a teetering tower of objects on a pole? Explore how balancing works with marshmallows and wooden sticks. What's the craziest configuration of sticks and marshmallows you can balance?Knock Over the Bottles
Throwing balls at a stack of bottles is a classic carnival game! Explore the science behind knocking over the bottles by setting up your own backyard game. What does the center of mass have to do with how easy or hard it is to win?Make a Centripetal Force Generator
Centripetal force helps keep you in your seat on amusement park rides that swing you in a circle. Explore the push and pull of centripetal force with a homemade centripetal force generator, colored gelatin, and a marble. What happens to the marble when the swinging begins?Loop-the-loop with a Marble Roller Coaster
Roller coaster loops are part of the thrill of the ride, but it takes science to make a roller coaster loop work! Build your own marble roller coaster from foam tubing and see if you can add a loop and still have the marble make it from start to finish. How high will your coaster need to start for a marble to make it around the loop? Can you add a second loop?Bottle Flipping
Have you tried tossing a bottle to see if you can make it land standing up? It's exciting when it works, but what's the secret? Explore bottle flipping to find out if how much water is inside makes a difference. Can you find the just-right amount for your bottle flipping technique?WATCH: Videos
DO MORE: Raspberry Pi Projects
How steady are your hands? With a Raspberry Pi, kids can create and code their own interactive buzzer game and challenge friends and family to see who can complete the game fastest without triggering the buzzer! The Construct a Carnival Buzzer Game with a Raspberry Pi project is one of 8 guided activities kids can do with Raspberry Pi. After finishing the progressive learning series of activities, kids can continue coding and creating interactive projects with Raspberry Pi using the drag-and-drop Scratch interface or move on to exploring Python.
Learn more about Science Buddies Kits and see our 12 Science Kits for Summer Science Experiments and Discovery recommendations.
ASK: Questions
Use these questions to prompt conversation and reflection about the science behind this week's Awesome Summer Science Experiments activities:
- What kinds of science jobs are involved in designing and building things like roller coasters or other amusement park rides?
- How can physics help explain how different carnival games work?
- What forces play a role in how a swinging amusement park ride works?
- What types of energy can you observe in a roller coaster's path from start to finish?
EXPLORE: STEM Careers
After trying this week's summer science experiments, kids can learn more about related science and engineering careers, like:
READ: Books
Pair picture and story books like these with this week's Awesome Summer Science Experiments explorations.
For more suggestions for science-themed summer reading, see our Summer Reading List. Also, don't miss this roundup of creative STEM activities for storytelling and imaginative play.
Bookmark Awesome Summer Science Experiments Week 9: Carnival STEM

10 Weeks of Awesome Summer Science Experiments
- Week 1 - Rubber Band STEM
- Week 2 - Kitchen Concoctions
- Week 3 - Wizardly STEM
- Week 4 - High-Flying STEM
- Week 5 - Amazing Art Science
- Week 6 - Clever Contraptions
- Week 7 - Radiant Rainbows
- Week 8 - Wacky Water Science
- Week 9 - Carnival STEM
- Week 10 - Ready, Set, Go STEM
Follow the full summer series on the Awesome Summer Science Experiments page!
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- Carnival STEM (Awesome Summer Science Experiments)
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