Simple machines – Physics
An example of a screw, a wedge, a wheel and axle, and a lever Machines are ways to make it easier to do work. Many plants and animals have evolved natural [...]
An example of a screw, a wedge, a wheel and axle, and a lever Machines are ways to make it easier to do work. Many plants and animals have evolved natural [...]
A zipper is a kind of wedge - or a lot of little wedges! For a project about wedges, collect as many different kinds of wedges as you can find around [...]