Nature's Perfect Pattern! Ever wonder at God's amazing order within the universe? Let your students gain an appreciation for the wonderfully complex world in which we live. With SOS 5th Grade Science, students experience miracles in science by studying: Cells, Plant Life Cycles, Animal Life Cycles, Balance in Nature, Transformation of Energy. With SOS 5th Grade Science, foster you student's knowledge of the foundations of life. Appealingly-presented lessons teach about the significance of fossils, geology, and nature cycles. Your student will love digging into fun-filled, confidence-building homework while learning about the intricate balance of life. Windows XP SP2/Vista.