"Introduces the connection between force and motion and describes the effects of air resistance, mass, and gravity"--Provided by publisher.

Forces can't be seen, but without them, nothing around us would happen! A force is a push or pull that usually causes movement. Friction is a force that opposes

Forces and motion are at work all around you—when you kick a ball, ride a bike, or drop a book. But what exactly are forces? And how do they make things move?

This series provides an information library on the main aspects of physical science, with an emphasis on enquiry; answering the questions that children ask, add

Everything moves! Kids run around the playground, cars drive on the road, and balls fly through the air. What causes all this motion? Physics! Forces and motion