The research tries to determine the degree of availability of cognitive skills in the first grade book of sciences at primary schools, in the Light of Morzano's Model. To achieve this goal, a list of cognitive skills was made to be included in this book derived from the model of Marzano. The list is composed of (8) main skills, (21) sub-skills, and (57) indicators to subskills. The descriptive method, especially content analysis, is used.