Filled with high interest exercises, this Grade 4 Unit 6workbook focuses on properties of water, properties of matter, molecules and atoms, elements. Lifepac science curriculum brings the physical world of God's creation into focus. Students conduct experiments to reinforce scientific concepts, such as changes in matter. Perfect for students who flourish in a self-paced, individualized learning format, each consumable Lifepac combines lessons, exercises, projects, reviews, and tests. Paperback.