STEM Challenge day 2. Students are learning about force, motion and energy so why not make catapults!

stem-challenge-day-2-students-are-learning-about-force-motion-and-energy-so-why-not-make-catapults-https-t-co-4l6fuhhl4r 

STEM Challenge day 2. Students are learning about force, motion and energy so why not make catapults! https://t.co/4l6FUHhl4R