Lo que los fósiles nos enseñan sobre la Tierra (Investigating Fossils)

Advances in science have changed our world, all thanks to the scientists behind important discoveries. Some of the most important discoveries have come from female scientists, who were as unique for their work as they were for being trailblazers in a male-dominated industry. This text offers a biographical treatment of such important scientists as Marie Curie, Rachel Carson, and Jane Goodall, as well as others who have made it possible for women of the future to have a career in science. Age-appropriate text, fact boxes, historical and modern images, and a comprehensive timeline complete the...

This book is a comprehensive, practical presentation of the principles of behavior modification and guidelines for their application. It teaches forms of behavior modification ranging from helping children learn necessary life skills to training pets, to solving personal behavior problems.

En el Ártico, cada vez se derrite más hielo en verano. Esto es un gran problema para los osos polares, que necesitan el hielo para sobrevivir, y también es un gran problema para todo el mundo, por que todo nuestro planeta necesita el hielo del Ártica para

¿Por qué? Es una colección de libros cuyo objetivo es el de resolver cuestiones "espinosas" que los niños plantean a sus padres. Este libro trata el tema de la interculturalidad.

Aprende los fundamentos de este deporte y cómo se juega. Un diagrama útil ayuda a los lectores a identificar las partes de la cancha de baloncesto, mientras que las preguntas de pensamiento crítico mantienen comprometidas con el contenido. Esta edición en español es una excelente introducción a la no ficción para niños. Carefully leveled text and vibrant full-color photos make this introduction to basketball a slam dunk! Learn the basics of this sport and how it's played. A useful diagram helps readers identify the parts of the basketball court, while age-appropriate critical thinking ...