Los Protectores

Claudio's new teacher, Maraia Delores, is an immigrant to the country. Claudio wonders why he can't be an immigrant as well. Throughout the school year he and his class learn about immigrants and how they are viewed by people already living in the country.

Imagine traveling at half the speed of a jet plane without ever leaving the ground! Students will discover the technology that makes such speeds possible, from special tracks and safety precautions to aerodynamically designed trains. What are the limits to the speed of trains? What imposes those limits? Students also will read about the future of passenger train travel, from flying trains to trains that use huge magnets to levitate inches or centimeters off the track. Some trains safely reach speeds of more than 200 mph!

Severn Cullis-Suzuki was only twelve years old when he addressed the entire world: What are we doing to Earth, our home? How far can human greed go? Little Severn embarrassed the world leaders and asked them to be consistent, that their actions would reflect their words. An emotional speech, full of truths as simple as they are revealing, and even more relevant today than when it was delivered. This is a bilingual edition.

¡Hola! Soy Antonio Berni. ¿Quieren conocer mi historia, mis ideas, mis secretos, mis personajes…? De adelante para atrás y de atrás para adelante… en este libro encontrarás: relatos, imágenes, preguntas y juegos. ¿Qué es lo que Antonio Berni sentía, pensaba, creía y soñaba? ¿Cuáles fueron sus intereses, pasiones e ideales? ¿Cómo se reflejan en su arte? ¿Cómo se entrama su obra con el contexto social en que fue creada y con el actual?

Learn how zookeepers at the National Zoo keep the animals healthy and happy. This Spanish book features a hands-on STEAM challenge and uses real-world examples to give insight into how the engineering design process is used to solve problems.