Los impactos sociales: guía de campo

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...

"Some things are so huge or so old that it's hard to wrap your mind around them. But what if we took these big, hard-to-imagine objects and events and compared them to things we can see, feel and touch? Instantly, we'd see our world in a whole new way." So begins this endlessly intriguing guide to better understanding all those really big ideas and numbers children come across on a regular basis. Author David J. Smith has found clever devices to scale down everything from time lines (the history of Earth compressed into one year), to quantities (all the wealth in the world divided into one...

Los mejores trabalenguas infantiles para jugar y divertirse. ¿Puedes decirlos? A los niños les encantan los trabalenguas porque son divertidos, los hacen pensar, pero sobre todo ¡sorprenderse! En este libro encontrarás una selección de trabalenguas muy divertidos: cortos, largos, fáciles y difíciles, tradicionales, populares y nuevos trabalenguas. Todos los trabalenguas están ordenados por sonidos. Por lo que encontrarás trabalenguas con la letra B, C, F, G J, L, M Ñ, P, Q, R, S, T. Un libro ideal para divertirse y mejorar la dicción de los niños al hablar.Un libro ideal para...

The rock cycle has been taking place for millions of years. However, geologists have only known about this phenomenon for about 300 years. Young terrestrial explorers are introduced to different types of rocks, where in the cycle these rocks fit, and where in Earth's layers each step takes place. Fact boxes provide readers with fun additional information. A diagram helps readers make sense of the new information they're learning.