Filled with high-interest exercises, this Grade 4 workbook set covers the concept of man's environment as it relates to plants and animals also , as well as electricity and magentism, changes in matter and the solar system . Lifepac science curriculum brings the physical world of God's creation into focus. Students conduct experiments to reinforce scientific concepts, as they exploreweather, machines and the planet Earth . 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 4 .