Explains how inclined planes are used, presenting examples from the past and in everyday contemporary life.

Uses everyday examples to describe inclined planes as simple machines that make lifting, pushing, moving, and building easier.

Explains how and why ramps and other inclined planes are used in everyday life.

Focusing on simple machines and how they help us do work in our daily lives, this fun, illustrated and informative text introduces young readers to several basi

A very basic introduction to screws, levers, planes and more.