Trampas mentales

Expanding on our popular Let’s Explore Science series, this book focuses on the scientific method. The scientific method is a step-by-step process for solving science problems. Scientists use it every day. Explaining each of the five parts; observing and asking questions, researching your topic, forming a hypothesis and testing it, designing and conducting an experiment, and analyzing and drawing conclusions from your result are all mapped out in detail. Learn how this straightforward topic can sometimes be a little trickier than it seems! This book will allow students to generate and...

“JUAN XXIII: El Papa Profeta” es un libro excepcional, basado en el que fuera publicado por Pier Carpi, en el año 1.977, con el título de “Las profecías del Papa Juan XXIII”. Este escritor italiano hizo un buen trabajo, interpretando todo lo que pudo de las Actas, que le dio un anciano de barba blanca y que contenían una quinta parte de los eventos proféticos predichos en 1.935 por Ángelo Roncalli, después Pontífice de la Iglesia Católica. A pesar de su buena labor literaria y de su gran esfuerzo, le quedaron muchas predicciones que no supo o no pudo contestar. Tenía la...

When winter hits, many people in colder climates spend most of their time indoors. But what do wild animals do? Some animals spend winters hibernating. Beginning readers will learn what hibernation is, why some animals hibernate and others don't, and how hibernating animals prepare for their long sleep. Full-color photographs grab readers' attention and allow them to draw connections to the narrative. Readers will love learning about this mysterious, restful time in some animals' lives.

The same fascinating content as Seymour Simon's AMAZING AIRCRAFT, thoughtfully translated into Spanish for use in the classroom or at home. Newly Updated 2012.