Tecnología para todos: Wifi en todo el mundo (Technology For All: Wi-Fi Around the World)

So you think you're a martial arts master, but do you know the difference between kung fu, kendo, and karate? Students will learn about various martial arts as they practice comparing numbers. This nonfiction math book combines math and literacy skills, and uses real-life examples of problem solving to teach subject area content. The full-color images, intriguing sidebars, practice problems, and math diagrams make learning math relevant and fun. Text features include a table of contents, glossary, and index to increase understanding of math and reading concepts. An in-depth problem-solving...

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!

Despues de ocho anos de su ultima obra, y siete anos despues de la publicacion de su poesia reunida, Andres Sanchez Robayna ofrece a sus lectores su nuevo y esperado libro. Como Morandi o los pintores esencialistas a la manera de Cezanne, Sanchez Robayna encuentra en los objetos, en su perfil y en la luz que proyectan, en los estimulos que configuran un momento irrepetible, ocasion para explorar los signos de la naturaleza, las claves de lo real. Sus poemas, en una lengua exacta, sin condescendencia o lo retorico, logran descigrar el mundo, elevarse sobre lo cotidiano y rozar la esencia, lo...

The Industrial Revolution brought important changes to America. People began migrating to cities for work, and immigrants began to arrive in American in larger numbers than ever before as they looked for new employment opportunities. Readers explore the impact of the Industrial Revolution on U.S. migration and immigration patterns. As readers learn about essential social studies curriculum topics, engaging historical images and detailed primary sources hold their interest. This transformative period in American history comes alive for readers with each turn of the page.