Holt physical science with earth and space science textbook pdf

Covering the major middle school sciences: Earth, Life, and Physical, the Holt Science and Technology curriculum provides a thorough, inquiry-based introduction to basic scientific concepts and principles that will prepare students for high school courses. Chapters in the Physcial Science Student Textbook are concise, providing students with a brief explanation and examples, and are followed by a section review that covers the key idea, critical thinking skills, and math concepts. Each chapter ends with a skills practice lab, comprehensive chapter review, standardized test preparation, and 'science in action' section. This secular middle-school curriculum covers the properties of matter, electronic technology, waves, sound, light, chemical reactions, atomic energy, and more, through an abundance of hands-on labs and interesting profiles of real-life scientists. Full-color reduced-size student pages are surrounded by wrap-around teacher notes. Appropriate for 6th-8th grades. There is also a unit on both animal and human sexual reproduction with diagrams, and a discussion of STDs and infertility.