De dos mundos

Dams change the landscape, providing reservoirs of freshwater and even producing electricity. Discover the engineering behind dams.

Young children are natural problem-solvers and always looking for answers, especially when it involves interesting animals. This Spanish-language edition of Scaly Swimmers provides young curious readers with striking visual clues and simply written hints. Using the photos and text, readers rely on visual literacy skills, reading, and reasoning as they solve the animal mystery. Clearly written facts give readers a deeper understanding of how the animal lives. Additional text features, including a glossary and an index, help students locate information and learn new words.

Learn about the history of the Olympic Summer Games! This classroom resource helps students learn about how time and measurement relate to hosting the Olympics. Included in this nonfiction text are mathematical graphs and charts to help students develop content-area literacy in mathematics. This Spanish book includes practice problems, a glossary, an index, engaging images, and easy-to-read text to help students build their math and reading skills.

Parte 1. 1. Osteointegración y materiales de los implantes - 2. Implantes, pilares y tipos de rehabilitación protésica con implantes - Parte 2. 3. Obtención del modelo de prótesis sobre implantes - 4. Férulas radiológicas y quirúrgicas - 5. Las prótesis fijas implantosoportadas - 6.Sobredentaduras.