Unlock the mysteries of planet Earth! Read this book to find out about Earth's orbit, the seasons, the sun s gravity, and more!
Includes a glossary of bold-faced vocabulary words, reading activities, an index of terms, and an answer key.
Readers Advance is a series of full-color nonfiction science readers designed to address the challenges of reading in a content area. Each student book is written around a single science concept. Each full-color reader focuses on a popular science topic currently being taught at each grade level.