Approach spelling from another angle with this brain teasers workbook. It touches on a mix of subjects from U.S. geography to a bit of science.

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.

Autumn is a time for many changes, especially in nature. Explore the best of the fall season with this collection of paper projects, puzzles, crafts, journal prompts and science experiments!

With this set kids can observe clouds to constellations, flowers to photosynthesis. Build a love of the great outdoors and spend time outside as you learn basic concepts of earth science.

Water is the source of life—and of fascinating science! Full of exciting experiments, this workbook brings to life important concepts like water density, the water cycle, and the chemistry of water.

These articles, short stories, fairy tales and fables teach kids about a wide range of subjects so your child can learn more about history and science while improving literacy and vocabulary skills.

Pay homage to our majestic, leafy companions with this series about trees. Kids can learn about the structure of trees, identify different leaf types and reflect on the many gifts that trees give.

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.

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.

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.