El ciclo de vida de un manzano: Una y otra vez (The Life Cycle of an Apple Tree: Over and Over Again)

Computer science is all around us, at school, at home, and in the community. Anyone can learn computer science, even at the elementary school level. This book delves into essential computer science concepts using age-appropriate language and colorful images. The computer science topic is paired with an age-appropriate curricular topic to deepen readers’ learning experience. The instructional guide on the inside front and back covers provides: Vocabulary, Background knowledge, Text-dependent questions, Whole class activities, and Independent activities.

1 cola larga tenía Argentinosaurus, 2 garras tenía Deynonichus... Un impactante recorrido desde el 1 hasta el 10, para descubrir cómo eran, cómo vivían y a qué deben su nombre los dinosaurios. Ilustrado por el paleoartista argentino Gustavo Encina.

Deforestation, hunting and global warming have endangered countless species. The orangutan, okapi, giant panda and the blue whale are just some of the 30 species on the brink of extinction that are featured in this book. They need your help. The International Conservation Society illustrates how many of these species are left in the wild, and the latest status regarding their natural environment. You'll learn how you can aid endangered species and help sustain the ecosystems that give them life.

HIGH-INTEREST, LOW-LEVEL: Reluctant readers will be engaged from beginning to end as they explore the responsibilities and skills of the pitcher in this 32-page nonfiction book. Side-by-side English and Spanish text and vivid, exciting photos show readers what it takes to fill this key position in baseball and softball. SPORTS BOOK FOR KIDS: Pitchers are team leaders. They train hard and must be smart with their throws. Just one pitch could win or lose the game! This book explores the pitcher position in baseball and softball and what makes a good pitcher great. INCLUDES: Readers will be...

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.