Teach your 4th graders the basic principles of body types, electromagnetic spectrums, the water cycle, blood vessels, body defenders, the urinary system, matter, heat and thermal energy, atoms, osteopathic medicine, and more. Full-color pages show large photographs and scenes that are used to showcase concepts and systems; vocabulary, key ideas, quick facts, outlook, 'strange but true' sidebars support the primary text. 193 pages with index & glossary, hardcover. Grade 4.
