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.

Find out more about the wheel and axel, the lever, and the wedge. Find out more about three of the six simple machines: the wheel and axel, the wedge, the lever. Simple machines like these help us do ...

Phil builds a balloon powered car in the lab. Then he tries to make one big enough to ride. Can the Science Max build team find a big enough balloon? Or are balloons the way to go? Plus, Newton's ...