How You Build It (Pasta Bridge) | Magnets (Magnetic Levitation)
Volume, Mass and Density (Tinfoil Boat) | Chemistry (Chemical Volcanoes)
Pressure (Plastic Bottle Rocket) | Simple Machines (Levers)
Solids, Liquids & Gasses (Cornstarch Mud, Giant Rock Candy) | Air and Flight (Giant Paper Airplane)