Examines the properties of both natural and man-made materials, how they are used, and how they can be changed.

Updated for 2020, Intermediate readers distinguish between natural and man-made objects.

Provides a simple explanation of the the differences between natural and manmade materials, and includes examples of their uses in everyday life.

"Trees give us yummy apples but also help us build houses. One of these is natural, the other man-made. Can you identify the natural resource? In this edition o

An eye-opening adventure deep inside the everyday materials that surround us, from concrete and steel to denim and chocolate, packed with surprising stories and