The stability of life science, energy, balance in earth & space science, and human wellness covered in this 4th grade science text. Students will delve into cells, body plans, habitats, classification systems, conservation, types of energy, types of force and motion, atoms, the water cycle, weather, body systems, and more. Full-color pages show large photographs and scenes that are used to showcase concepts and systems; vocabulary, key ideas, biblical outlook, "strange but true" sideboxes support the primary text. 194 pages with index & glossary, hardcover. Grade 4.