This Chapter 3 activity book for Paradigm Accelerated Curriculum's 'Basic Science Mysteries' curriculum includes fill-in-the-blank, true/false, multiple choice, and matching type questions that test the student's knowledge of the concepts and Life Principle taught in the sold-separately Basic Science Mysteries Student Text, Chapter 3 This book cannot be used without the student text. Magazine-style binding. 54 pages. Grade 7.