Filled with full color exercises, this Grade 3, Unit 3 workbook covers the concept of environmental changes, what makes animals different, and their growth processes. The Science Lifepac curriculum brings the physical world of God's creation into focus. Students learn physical science, biology, chemistry, physics, and health studies, and conduct experiments to reinforce scientific concepts. Perfect for students who flourish in a self- paced, individualized learning format, each consumable Lifepac combines lessons, exercises, projects, reviews and tests. Individual Lifepacs are perfect for remediating 'learning gaps'. 57 pages.