Properties of Materials: Is It Stiff or Bendable? (Hardcover)

"A pencil is stiff. A rubber band is bendable. Why are some objects stiff and others bendable? Find out in this series about materials and their properties. Informative, at-level text and engaging photographs help readers understand the differences between stiff and bendable objects"-- A pencil is stiff. A rubber band is bendable. Why are some objects stiff and others bendable? Find out in this series about materials and their properties. Informative, at-level text and engaging photographs help readers understand the differences between stiff and bendable objects.