Teach your 5th graders the basic principles of natural cycles, cells, measuring matter, magnetism, natural resources, pathogens, the endocrine system, ocean currents, glaciers, phases and eclipses, and more. Full-color pages show large photographs and scenes that are used to showcase concepts and systems; vocabulary, key ideas, quick facts, biblical outlook, 'strange but true' sidebars support the primary text. 192 pages with index & glossary, hardcover. Grade 5.