Benjamin Franklin

As a land that’s constantly in flux, Earth sometimes reveals clues about the plants, animals, and other organisms that lived long ago. Fossils teach us much about what life was like millions of years ago, answering the questions of how Earth changed and maybe even why it changed. This essential Earth science topic is thoroughly explained through manageable text, fact boxes, informational charts and diagrams, and a glossary and index. Readers will become young Earth detectives by the time they’re through with this text!

La guía didáctica comienza con una breve introducción en la que se justifica teóricamente el proyecto.& El desarrollo de cada ficha incluye: - Objetivos: Se incluyen entre 1 y 3 objetivos específicos por cada ficha. - Motivación: Ofrecemos algunas pautas y sugerencias de aplicación para la “puesta en marcha” de cada ficha. - Actividades: Se describe la actividad concreta de la ficha y se sugieren una o dos actividades complementarias que pueden ampliar, extender o mejorar la aplicación de cada ficha. - Material necesario: Se especifican los materiales que se emplearán tanto en ...

The need for speed is the motivating factor in this engaging, Spanish book. Readers learn the history of travel from the very slow to the supersonic and beyond, including everything in between. They learn and discover the factors that influence motion for all types of vehicles: land, air, and water alike. They also learn different ways to measure speed and read about energy uses for different vehicles. With greater speed comes greater risk. Readers learn how engineers are always seeking new and better ways to keep people safe as they travel faster and go farther. This 6-Pack includes six...

Discover what it takes to be an Emergency Room doctor in this enlightening, Spanish-translated nonfiction title. Readers learn about the hard work and dedication it takes to have a career as an ER doctor and what a typical day is like in the emergency room. From medical school to residency, medical symptoms to diagnosis, children will learn all about the steps it takes to get involved in this profession. This engaging title features vivid photos, helpful charts and diagrams, informational text, a glossary of terms, and an interview with a real-life ER doctor to delight, inform, and encourage...