Introduces simple machines, including screws, levers, wedges, and pulleys, describes how each makes everyday life easier, and provides activities demonstrating
Uses simple experiments to explore wheels, pulleys, levers, friction, and lift in terms of inventions and discoveries underlying the modern mechanical world.
What are simple machines and how do they work? In this book, we’ll take a look at some of the most commonly used simple machines with the intention of figurin
Do It Yourself' offers an exciting new approach to understanding and investigation. Each book helps readers conduct their own experiments and activities to lear
"Simple Machines! introduces kids to the concept of mechanical advantage and harnesses kid-power by inviting them to build machines of their own design. This bo