Simple Machines
Simple machines make work easier for us by allowing us to push or pull over increased distances. There are SIX simple machines: Type Example Activity 1. Pulley - How Stuff Works A pulley is a simple machine that uses grooved wheels and a rope to raise, lower or move a load. Pulleys 2. Lever - Enchanted Learning animations A lever is a stiff bar that rests on a support called a fulcrum which lifts or moves loads. Levers 3. Wedge - pictures using LEGO bricks A wedge is an object with at least one slanting side ending in a sharp edge, which cuts material apart. Wedges 4. Wheel & Axle - Activity using pencils and thread spools A wheel with a rod, called an axle, through its center lifts or moves loads. Wheels 5. Inclined Plane - pictures using LEGO bricks An inclined plane...