Filled with high interest exercises, this Grade 4 Unit 5workbook focuses on electric current, electric circuits, magnetic materials, electricity and magnets. Lifepac science curriculum brings the physical world of God's creation into focus. Students conduct experiments to reinforce scientific concepts, such as electricity and magnetism. Perfect for students who flourish in a self-paced, individualized learning format, each consumable Lifepac combines lessons, exercises, projects, reviews, and tests. Paperback.