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.
Get your hands dirty in the name of science! Explore the basic elements of the earth's surface with this beginner's guide to rocks, soil, and processes that change them.
In this life science packet kids will cut and paste various forms of insects, mammals and more, learning the similarities and differences of living things during stages of life.
