Filled with high interest exercises, this Grade 3 Unit 8workbook focuses on forming rocks, changing rocks, rocks for building and collecting. Lifepac science curriculum brings the physical world of God's creation into focus. Students conduct experiments to reinforce scientific concepts, such as rocks and their changes. Perfect for students who flourish in a self-paced, individualized learning format, each consumable Lifepac combines lessons, exercises, projects, reviews, and tests. Paperback.