Teachers: try the 2026 Science Buddies Engineering Challenge! @Science.Buddies

Uploaded January 2026 | Updated September 2026, 2 weeks ago

Can you build a ball run out of just paper and tape? How long can you make it take the ball to go through the ball run? Written instructions for this challenge and all the annual Science Buddies Engineering Challenges can be found at sciencebuddies.org/engineering-challenge?ytid=lNFVhZOY-EE&ytsrc=description

Science Buddies also hosts a library of instructions for over 1,500 other hands-on science projects, lesson plans, and fun activities for K-12 parents, students, and teachers! Visit us at sciencebuddies.org/?ytid=lNFVhZOY-EE&ytsrc=description

#BallRun #EngineeringChallenge #ScienceBuddies
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Teachers: try the 2026 Science Buddies Engineering Challenge!

$slow-motion schlieren video of lighter ignition Learn how to see invisible air currents with this amazing optical setup! Materials list and instructions on our website: https://www.sciencebuddies.org/science-fair-projects/project-ideas/Photo_p027/photography-digital-photography-video/shadowgraphs-and-schlieren-images?ytid=m2TVzhNV7dg&ytsrc=description Excellent explanation of the physics behind Schlieren images by a physics professor from @AllThingsPhysicsYouTube : videos about schlieren images: https://youtu.be/GCloRHSyaGU videos by @veritasium https://youtu.be/4tgOyU34D44 https://youtu.be/K7pQsR8WFSo image credits: https://commons.wikimedia.org/wiki/File:Refraction_photo.png https://commons.wikimedia.org/wiki/File:Refraction-with-soda-straw.jpg https://commons.wikimedia.org/wiki/File:A_Highway_Mirage_%285994891327%29.jpg https://commons.wikimedia.org/wiki/File:Mirage_over_a_hot_road.jpg https://commons.wikimedia.org/wiki/File:Single_mirror_schlieren.svg Science Buddies also hosts a library of instructions for over 1,500 other hands-on science projects, lesson plans, and fun activities for K-12 parents, students, and teachers! Visit us at https://www.sciencebuddies.org/?ytid=m2TVzhNV7dg&ytsrc=description to learn more. #STEM #sciencebuddies ******************************* Connect with Science Buddies: X: https://x.com/ScienceBuddies FACEBOOK: https://www.facebook.com/ScienceBuddies INSTAGRAM: https://www.instagram.com/scibuddy PINTEREST: https://www.pinterest.com/sciencebuddies$

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