Solids, Liquids & Gasses (Cornstarch Mud, Giant Rock Candy) | Air and Flight (Giant Paper Airplane)
Balance (Tightrope, Gyroscopic Stabilization Backpack) | Inertia (Drag Racer)
Earthquakes! (Earthquake-Proof Structures)
Sound (Soundwave Visualization, Loudest Sounds) | Gravity (Giant Hoop Glider)
