Filled with high-interest exercises, this Grade 3 workbook set covers the concept of growth and change in humans, animals and plants , as well as the times and seasons, heat energy and properties of matter . Lifepac science curriculum brings the physical world of God's creation into focus. Students conduct experiments to reinforce scientific concepts, as they explorephysical changes and personal growth . Perfect for students who flourish in a self-paced, individualized learning format, each consumable Lifepac combines lessons, exercises, projects, reviews, and tests. 10 Lifepacs included. The Teacher's Guide must be purchased separately. Grade 3 .