What are ramps and wedges? -- Old and new ramps -- Zig-zags -- Blocks and chocks -- Axes and ploughs -- Knives and scissors -- Teeth -- Giant jumps -- Zip it up! -- Slides and rides
Summary
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. Suggested level: primary
