It's fact vs. opinion statements about interesting animals in this workbook. Kids will also think about how diagrams and images help clarify reading passages.

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.

A biome is a community of plants and animals that occupies a distinct region. In this great introductory overview, we explore the vocabulary, flora, and fauna of the world's biomes: tundra, taiga, grasslands, deciduous forest, chaparral, desert, savanna,

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.