'easyLearn Simple Machines' is a simple, fun & interactive way for kids to learn about simple machines. The lessons are presented in a very simple manner and with lots of pictures, kids can learn the facts, practice what they learned and then take the quiz and check their answers.
It covers all the basic facts that elementary and middle school kids need to learn, about what simple & complex machines are, work,force & distance, inclined planes (ramps), wedges, screws, first class, second class & third class levers, double levers, wheels & axles, fixed, movable & compound pulleys, simple machines in nature, history of simple machines, lots of examples & uses of simple machines, mechanical advantage of simple machine, formulas & examples for calculating mechanical advantage, how simple machines work together etc.