Historias de La Biblia Para Antes de Dormir

Computer science is all around us, at school, at home, and in the community. This book gives readers the essential tools they need to understand the computer science concept of conditionals. Brilliant color photographs and accessible text will engage readers and allow them to connect deeply with the concept. The computer science topic is paired with an age-appropriate curricular topic to deepen readers' learning experience and show how conditionals work in the real world. In this book, readers will learn what laws are and what happens if you break them. This nonfiction book is paired with the ...

Alexander Graham Bell was always trying to invent new things! In this biography that has been translated into Spanish, readers will learn about Alexander's life as a teacher and inventor of such incredible inventions as the telephone, record player, and metal detector. Colorful images, supportive text, an interesting timeline, and a helpful glossary, table of contents, and index combine to give readers an inspiring look into the life of Alexander Bell.

Basic concepts about electricity for highschool level and college. Topics include: Electrical circuits, Ohm's law, serial and parallel circuits, electric power, CD circuits, etc. With questionnaire.

Intenta decir "Tres tristes tigres, tragaban trigo en un trigal, en tres tristes trasto, tragaban trigo tres tristes tigres" tres veces seguidas cada vez más rápida que la anterior o trata de decir "Pablito clavó un clavito, en la calva de un calvito, en la calva de un calvito, un clavito clavó Pablito." En este libro encontraras una enorme colección de trabalenguas, adivinanzas, acertijos y enigmas matemáticos para que tengas horas y horas de diversión con tus niños, los trabalenguas cada uno más difíciles que el otro, desafiaran los músculos de tu boca. Además los trabalenguas...