Why do we study clouds? Do clouds have color? Are different clouds found at varying levels in the sky? Do clouds carry pollution? In this beginning science book, these questions are answered, with other interesting cloud information provided to pique a young reader's interest. This chapter book offers young readers basic reference material on what clouds are, the types of clouds, sky technology, and why studying clouds is important. Studying clouds informs scientists about Earth's atmosphere and climate changes. There is even a discussion on careers dealing with clouds and studying climate change. Each page highlights a new topic and is supported with interesting, colorful pictures. New vocabulary words are bolded throughout the text. One simple experiment demonstrates making your own cloud by using household materials, which can be completed in the classroom or at home. At the end of the book, there are additional references to learn more about clouds. The final section offers inquiry questions with answers and "Words to Know" to reinforce new vocabulary words. This book is in the "Science Matters" series. It highlights interesting information to supplement beginning book reports and is satisfactory for high-low readers.