La búsqueda de la velocidad: Los vehículos (The Quest for Speed: Vehicles) (Spanish Version)

Readers won't have to disassemble their favorite toys to discover what makes them work. This book explores electric, magnetic, and motion-powered toys from design to function. It introduces readers to the six simple machines and explains how they use force and motion to do work. Not every toy is a technological marvel. Readers learn about time-honored favorites including the rocking horse, Slinky, and rattles.

Readers will be amazed to discover that every time they climb onto bicycles and ride like the wind, they are defying gravity! This book explains the physics and history behind bicycles, skateboards, and surfboards. Readers learn what happens from the simplest movement of rolling forward to more complex tricks and stunts of jumping and spinning. Readers will never look at bikes, skateboards or surfboards the same way again.

How do architects and contractors use math and geometry to help build a house? Readers will find out in this engaging, Spanish-translated nonfiction book that features bright images and charts, informational text, and intriguing facts that will familiarize children with construction, construction equipment and materials, and blueprints. This 6-Pack includes six copies of this title and a lesson plan.

What does this Spanish-translated book, a table, and your big toe have in common? They are all solids! A solid keeps its shape and always has the same volume. Read this Spanish-translated book to learn about solids and how they are different from liquids and gases.

Presenta los Marines de EE. UU. y presenta datos sobre sus reclutas y oficiales, incluidos, cuando lo viven y se entrenan.

Young people with learning differences (LD) are provided with the affirmation and solid information they need to believe they are smart and can learn—they just learn differently. Questions such as Why is it hard for kids with LD to learn? What happens when I grow up? and Will I be able to go to college? are answered with discussions of different kinds of LD, LD programs, managing hurt or angry feelings, and how to get along better in school and at home.The text also includes helpful resources for parents and teachers. Los niños con dificultades de aprendizaje son listos y capaces de...

El Conocimiento del Medio nos ayuda a convertir nuestro mundo en un PLANETA AMIGO. Nos permite conocer la naturaleza, valorar nuestro entorno y desarrollar actitudes de respeto hacia otra culturas y otros pueblos. Con el Conocimiento del Medio podemos descubrir cómo somos, compartir con los demás nuestros conocimientos y construir entre todos un PLANETA AMIGO, en el que covivamos en un mismo entorno personas con diferentes formas de pensar.

Essays by well-known climbers accompany a range of superb color landscape photographs that echo the great traditions of the Ansel Adams and the Sierra Club large format books of the 1970s.