In this two-part activity, students design and build a Rube Goldberg machine. The open ended problem uses the engineering design process and can have a preset purpose, such as rolling a marble into a cup from a distance, or can be left...

In this riddle, some endangered fish species are being transported by water and a storm causes them to be thrown overboard. Your task is to devise a way to rescue them. The video provides some pointers on how to approach the problem....