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...

From a chapter on work and energy in a Physics textbook. This section of the chapter covers the difference between renewable and nonrenewable energy resources, the growth in the world's energy consumption, and the link between energy use...

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....