Did you know there are 6 simple machines that make up every complicated gizmo out there? This book introduces the pulley, the lever, the screw, the wedge, the inclined plane and the wheel & axle.

Boost reading skills while learning about earth sciences in this engaging fifth grade workbook!

Count on this vocabulary-focused resource as the go-to workbook all about natural resources! Write, research and get a breakdown of the world around by the natural resources we need and use.