This chapter has two main goals. The first goal is to ease students into the reading procedures described in Chapter 1 by using two reading passages—“On Your Mark!” allows students to practice using the codes to show what they are thinking as they read and ”A-Maze-ing Worms,” lets students practice the group reading process. The second goal is to review for students how to design a controlled experiment. Controlled experiments are a cornerstone of life science research. Although most students will have studied this topic usually called “the” scientific method, in prior classes, many have not mastered it by middle school.