Explore forces & motion, simple machines, trajectories, projectile motion, potential and kinetic energy, energy transfer, inertia, gravitational forces, and more with this versatile catapult STEM challenge. AMAZING RESULTS WITH JUST PAPER, TAPE & SCISSORS! You can follow all instructions on-screen or print them. This step by step project is a sampler of my more in-depth, open-ended project packets. All projects teach hands-on skills that empower students to explore and create. Start by m