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.

Sun or snow, this series about the seasons will shine for any kid! This round-up of matching games and art projects practices how weather patterns match up with the four seasons.

The world is full of amazing creatures! Learn about a few from around the globe, as your child hones reading skills in this fact-filled workbook.

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.

A central component of reading comprehension is the ability to understand the main idea or theme of a text. In this series, your child will practice basic analysis of a short story or poem.

Did you know that light can bend? Help your curious kids learn the important physical properties of light and explore how light adds colors to our world, with this beautiful series on light and color.