The Class Terrarium is aligned to the Common Core State Standards for English/Language Arts, addressing Literacy.RI.3.7 and Literacy.L.3.4b. Readers learn how plants live and grow and about their role in ecosystems in this book about a class terrarium, which includes full-page color photographs and narrative nonfiction text. This book should be paired with "Therese's Terrarium" (9781477725368) from the Rosen Common Core Readers Program to provide the alternative point of view on the same topic.