. . "Juvenile works" . . . . . "Materials and their properties" . . . . . "Materials" . "Materials"@en . . . . . . . . . . . . . "Describes what materials are, where they come from, how people use them, and how materials can be recycled." . . "Introduces readers to scientific ideas through everyday situations and objects, covering basic science topics required by the curriculum. This book asks questions to encourage readers to think about the concepts presented. It also features photos and captions and labels to draw out key ideas."@en . . . . . . "Juvenile works"@en .