Reptiles y anfibios

Peces is one book in the Spanish-language Gran Atlas de la Ciencia series that covers today's most popular science topics, from digital TV to microchips to touchscreens and beyond. Perennial subjects in earth science, life science, and physical science are all explored in detail. Amazing graphics-more than 1,000 per title-combined with concise summaries help students understand complex subjects. Correlated to the science curriculum in grades 5-9, each title also contains a glossary with full definitions for vocabulary.

¡Imagina ver a cientos de animales de la misma especie en un mismo lugar a un mismo tiempo! Aquí en Norte América, muchos animales se agrupan en grandes masas en tiempos y lugares previsibles. No todas las migraciones están ligadas a cambios de fuentes de alimento - algunas están ligadas a los cambios de ciclos de vida. Ciertas aves, reptiles, mamíferos, anfibios, peces e inclusive insectos, emigran durante la primavera, el verano, el otoño o el invierno. Viaja junto con ellos mientras aprendes qué es lo que hace que estos animales estén Avanzando...de aquí para allá.

Looks at the life of Betsy Ross from her Quaker childhood to her days as an independent businesswoman. Also examines the legend of the Betsy Ross flag. Written in graphic-novel format.

Go-Karts are a fun and thrilling way to hit the road! This exciting, Spanish-translated nonfiction title invites readers to explore different parts needed to build a go-kart, velocity, speed, and how to stay safe in this fun motorsport. Using detailed images, charts and diagrams, informational text, and interesting facts in conjunction with mathematical skills and upper-level features such as a glossary of terms, an index, and a chapter format, readers are sure to be engaged and excited from cover to cover!

In order for any democracy to function well, understanding how and when to compromise is a necessity. This book introduces students to how compromise makes governing possible. Using examples of how compromise works in their own lives, students will gain a better understanding of how compromise work on a larger level. Conversely, readers will also learn that compromise may be the wrong course of action in some situations and that some issues are of such critical importance or high moral worth that standing firm is appropriate.