Alimentos Blancos / White Foods

Get a close-up look at animals in the zoo, from appearance to behavior to babies. This series uses vivid photos to compare life in the wild and life in captivity in terms of habitat, activity, and diet.

This book introduces you to flamingos, including their size, diet and everyday behavior, which highlights differences between those in the wild and those living in a zoo habitat.

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!

¿Qué se necesitará para enviar personas a Marte en los próximos 25 años? Los estudiantes aprenderán que la resolución de problemas es un componente esencial de la misión planificada de la NASA a Marte. Este libro en español combina habilidades matemáticas y alfabetización, y usa ejemplos prácticos del mundo real de resolución de problemas para enseñar matemáticas, artes del lenguaje y contenido STEM. Los estudiantes aprenderán a resolver problemas mientras leen contenido de gran interés. El glosario, el índice y la tabla de contenido mejorarán la comprensión de los...

Los juguetes, los oficios y los medios de transporte son los protagonistas de Caballo ACCIÓN, una nueva serie dentro de la colección de Caballo Alado que combina magníficas ilustraciones con fotografías, y textos sencillos que combinan la letra de palo y la manuscrita. Cada título incluye un breve apartado documental que complementa el texto básico.

Inka rulers led a huge empire with grand palaces. They had incredible riches. Artists made statues out of gold and silver. The Inka also made masterpieces out of grass. Their grass bridges crossed deep canyons. These engineering marvels let soldiers and messengers travel around the empire. Created in collaboration with the Smithsonian Institution, this Smithsonian Informational Text builds students' reading skills while engaging their curiosity about STEAM topics through real-world examples. It features a hands-on STEAM challenge that guides students through every step of the engineering...