"Science Essentials Dinosaurs" helps explain the world of dinosaurs, the habits in which they lived, and theories about why they became extinct. At the same time, the book reinforces cross-curricula skills. Young learners, from grades one through three, will read lively passages about dinosaurs, strengthen math, reading, spelling, and language arts skills, practice test-taking skills, and play games that reinforce learning. A pronunciation key is located in the front of the book and a dictionary of dinosaur terms at the back. Appealing illustrations, easy-to-understand directions, and varied creative activities make learning about the dinosaurs fun and easy. "Science Essentials Dinosaurs" is the most complete book that offers: - Chapters on the Triassic, Jurassic, and Cretaceous Periods. - Cutout fact cards and games. - Vivid, full-color illustrations to spark the learner's interest. - An answer key to measure student performance.