Each STEM squad team (consisting of a human and a robot lab assistant) guides you through one STEM adventure (i.e. the Amazon Rainforest, Giza pyramids) helping you learn facts, as well as details about famous scientists and related vocabulary. Additional instruction also teaches readers about how to identify the BIG idea, while providing an at-home, hands-on activity using fairly easy-to-find items. In addition, the text will explain how and why activities work. From Barron’s, each book contains over 30 experiment-based learning activities (identified with symbols) 80 pgs, pb.