Describes the basic human body systems and parts how they function and how they relate to each other. As readers use scientific inquiry to learn what the human body needs an activity based on real world situations challenges them to apply what theyve learned in order to solve a puzzle.

iScience Readers put the focus on fun and scientific enquiry. Each book introduces science fundamentals through a science puzzle and related hands-on activities. Critical thinking skills are strengthened through exploring science concepts and applying them to the real-world situation that the puzzle introduces. Three levels offer increasingly more challenging text and problem-solving activities.