Hot-air balloons are mesmerizing to watch as they float up into the sky. With the Zoon Balloon Maker Project, students can create their own hot-air balloons and learn about buoyancy, temperature, density, and more. Propane is required for outdoor launches and is sold separately.
Looking for standards-based activities to accompany these materials? The Hot-Air Balloons Teacher's Guide is available for print here, or you can download a digital copy for free here.