Young kids are fascinated by the world around them. Why is the sky blue? What makes a rainbow? How does a caterpillar become a butterfly? In this informative series, readers will learn the answers to common questions about weather, the seasons, and other intriguing Earth science topics. Each book explores the answers to science questions in an age-appropriate way. Engaging text, colorful images, and useful diagrams help readers understand each concept. Each book also includes activities to promote further learning, and a phonetic glossary. Perfect for inquisitive readers!