It's pretty sturdy. It's *** complex question. How do you make *** boat float when it's built out of cardboard and duct tape? It took us about 2 months. There's *** lot of options. Duct tape's kind of ...

Host Lloyd Liedtke guides students through hands-on experiments exploring buoyancy, balance and force. Learn why some objects float while others sink, how paddle boats move, and how weight and volume ...