No somos el centro del universo

There's so much more to heat than hot and cold! How it moves, keeps us warm in the winter, and helps us cook our food is all part of this key science topic. Inside a colorful layout, the main text is written with struggling readers in mind, giving clear, concise explanations in understandable language to propel these readers to classroom success. Graphic organizers reinforce important topics for visual learners and those using the books as a "crash course" review of heat.

Esta obra es el resultado, principalmente, de los apuntes de Televisión utilizados en los cursos desde hace años han venido siendo actualizados de manera prácticamente constante. El material de la obra abarca los aspectos básicos relativos a los sistemas tanto analógicos como digitales.

In this enthralling, Spanish-translated nonfiction title that features informational text, vivid photos, stimulating facts, and colorful diagrams, readers will learn all about tornadoes and hurricanes--from how they are formed to where are they are most common. This 6-Pack includes six copies of this title and a lesson plan.

Describes jet-powered hydroplane boats, including information on their design and speed. Written in English and Spanish.