Marvelous Machines: The Experiments: Discover for yourself how levers, wheels and inclined planes work through this collection of 21 experiments, most of which use common objects such as paper ...

Build a simple machine to lift heavy loads About this experiment A lever is a long rod or stick that rests on a point called a fulcrum. When you apply force to one end, it reduces the effort needed to ...

Can you make a screw out of a piece of paper and pencil? Your friends might think it is magic, but it’s science at work. Here’s an easy experiment that might add a “twist” t… ...

The 13 (the number clearly holds no terrors for budding empiricists) simple experiments here are designed to introduce children to laws of physics behind the rudimentary “machines” underpinning our ...

Throughout history, humans have developed several simple machines to make work easier. The most notable of these are known as the "six simple machines": the wheel and axle, the lever, the inclined ...