Description In this book, early readers will learn about how rainbows form in the sky. Vibrant, full-color photos and carefully leveled text will engage beginning readers as they learn how raindrops refract light to form rainbows...A picture diagram shows how rainbows form from white light and make a spectrum, while a picture glossary reinforces new vocabulary. Children can learn more about rainbows online using our safe search engine that provides relevant, age-appropriate websites. How Do Rainbows Form? also features reading tips for teachers and parents, a table of contents, and an index...How Do Rainbows Form? is part of Jump!.s Science Questions series.