"A hands-on approach introduces young scientists to ramps and wedges. Science theory and practical, fun projects teach the physics and the technology behind this simple machine. Important science curriculum is explained through historical and contemporary examples of ramps and wedges. Step-by-step projects range from the simple to the more challenging."-- Provided by publisher.

What are ramps and wedges? --How wedges work -- The power of wedges -- Sharp and blunt -- Moving materials -- Pushing air aside -- How ramps work -- Going down ramps -- Moving up ramps -- Ramps and wedges in history -- Ramps and wedges in complex machines -- Facts and fun.