It’s a screwy world. But a screw is only an inclined plane wrapped around a cylinder, and one type of a simple machine. For 11 kids, this basic idea catapulted them into the world of “Simply Fun ...

Splitting logs, building canoes, and "uplifting" wedges! Splitting logs, building canoes, and “uplifting” wedges! From axes to canoes to the forks we eat with, the Curious Crew gets a “cutting edge” ...

When you push or pull with a simple machine, you are applying a force and doing work. And, if you get more force out of a machine than you put into it, then that machine has a mechanical advantage.