These guides were prepared to help teachers adapt, make accomodations, and create alternate paths for access to the content and processes of the Science 21 program for students in classrooms that exhibit a broad range of abilities, interests, and learning styles.     Kindergarten   Grade 1       Grade 2   Grade 3       Grade 4   Grade 5               Requires Adobe Acrobat Version 5.0 or higher. Click here for free download of Adobe Acrobat Reader to your computer.