Differentiating for the Inclusive Classroom This is leveled Book 3 from the Solar System: The Sun, Earth, and Moon Work Together series of modified books. This can be used in an inclusive or self contained science class when a student requires modified materials. Level 3 is written at a 2nd grade level. The vocabulary and sentence construction is accessible to students who can read indepedently, have a the skills to decode unfamiliar words. To assemble the book, you will print it single sided