California en el siglo XX

How do you truly engage students in learning history? When students make personal connections to the subject, they’re much more motivated to learn. This primary source book provides firsthand accounts of history that give students personal insights into historical events. Learn about California’s history during the 20th century with this Spanish book that builds reading comprehension and social studies literacy. With a visually appealing layout, this book features captivating text, fun facts, sidebars, and time lines that help students grasp the essential concepts they need to know at their ...

How do you truly engage students in learning history? When students make personal connections to the subject, they’re much more motivated to learn. This primary source book provides firsthand accounts of history that give students personal insights into historical events. Learn about California’s history during the 20th century with this Spanish book that builds reading comprehension and social studies literacy. With a visually appealing layout, this book features captivating text, fun facts, sidebars, and time lines that help students grasp the essential concepts they need to know at...

Children learn about the features of Tyrannosaurus Rex, what Tyrannosaurus Rex ate, and how it attacked other dinosaurs.

An introduction to ostriches, including their size, diet, and everyday behavior and highlighting differences between those in the wild and those living in zoos.

En 1955, poco antes de su muerte, Albert Einstein rescata un cuaderno de notas que escribió diez años antes, cuando se lanzaron sobre Japón las bombas atómicas de Hiroshima y Nagasaki. En ese cuaderno, Einstein cuenta cómo su vocación por la ciencia se despertó el día en que su padre le regaló una brújula y empezó a preguntarse por qué apuntaba siempre en la misma dirección. El logro más conocido de Einstein fue su teoría de la relatividad, que transformó nuestro concepto del espacio y del tiempo. Pero cuando recibió el Premio Nobel de Física en 1921 no fue por esa teoría,...

In this book, children learn how we can tell if something is shiny or dull and which materials have these properties.