Though they are far too small to be seen with a magnifying glass, much less with the naked eye, atoms and molecules make up every object we encounter. Readers will learn all about these tiny units of
It powers everything from lights and computers to toys and TVs, but how much do readers really know about what electricity is and how it works? This valuable book introduces kids to this crucial scien
Light seems like one of the simplest things in the world, but it has been the subject of thousands of years of scientific study. This interesting book offers young readers a wonderful, simple introduc
Simple machines make all of our lives easier on a daily basis. In this informative book, young readers will be introduced to many uses of the lever, pulley, inclined plane, wheel and axle, screw, and