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Stacked Ball Drop - Lessons in Conservation of Energy and Momentum
Smoke Ring Machines and Dolphin Bubbles
Measuring the Density of Pennies
Upside-down Water
Tabletop Flaming Hurricane
Slow Motion Magnets
Pendulum Waves
Yang and Yin - negative afterimages
Balancing Magnetic Coins
Minimalist Motors
Classroom Rail Gun
Safety Pin Motor