Uses a variety of examples, from scissors and axes to zippers and hairpin turns, to demonstrate the power of the inclined plane and show how ramps and wedges make work and play easier.

Includes index.

What are ramps and wedges? -- Zigzags -- Blocks and chocks -- Axes and plows -- Knives and scissors -- Teeth -- Giant jumps -- Zip it up! -- Slides and rides -- Activities. .