"Explains essential facts about light and dark, including natural and artificial light, color, and reflection. Includes experiments"--Provided by publisher.

"Explains essential facts about sound, including human voices, how musical instruments work, echoes, and ultrasound. Includes experiments"--Provided by publisher.

Mountains looks at how mountains came into being, how they are constantly changing, and how they provide a home to plants, animals, and humans.

"Explains essential facts about energy, including the difference between kinetic and potential energy, different energy sources, and how energy changes and is transferred. Includes experiments"--Provided by publisher.

This book examines the dramatic and destructive effects of storms, tornadoes, hurricanes, blizzards, droughts, and floods and looks at what lies behind these catastrophic events.

Demonstrates what balance is and how it works through a series of simple experiments.

Explains, in simple text and illustrations, the various parts of a seed and how a seed grows into a plant. Includes instructions for simple experiments and projects.

Explains where different woods come from, how they are harvested, and what they are used for.

This book explains what snow is and discusses how snow affects our everyday lives.

Explains where different platices come from and what they are used for.