In Mechanics, early readers will learn about the different kinds of mechanics and the machines they fix, including cars, jets, and ships. Vibrant, full-color photos and carefully leveled text will...
We use machines every day, but most of us don't understand how they work. When they break down, most of us have no idea how to fix them. Mechanics are the masters of machines. Readers learn that...
For years, scientists adhered to the physics of Sir Isaac Newton. Over time, however, they discovered that Newtonian physics couldn't describe every phenomenon they observed. They developed a new...