Is It Smooth or Rough?

A piece of silk is smooth. Tree bark is rough. Why are some objects smooth and others rough? Find out in this series about materials and their properties. Informative, at-level text and engaging photographs help readers understand the differences between smooth and rough objects.

Binding Type: Hardcover
Publisher: Pebble Books
Published: 08/01/2021
ISBN: 9781977131812
Pages: 24