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Aircraft carriers are truly the fortresses of the sea! Students will get an inside-out view of these incredible floating cities, from how they are constructed to how they function as important parts of a country's defense. Students also will learn about the various aircraft that are on board and the crew that keeps aircraft carriers in ship shape! -
Venezuela's Angel Falls is 16 times higher than Niagara Falls! Angel Falls will capture young readers' attention with its unique history and dizzying heights. -
Imagine being in a place where the temperature can drop to -125 degrees Fahrenheit! That's how cold it can get on the world's biggest glacier. Students will be transported to the icy chill of Antarctica in this cool book. -
The largest continent in the world also has the largest variety of people, land, and animals of any continent on Earth. Students will be delighted with the beautiful images as they read about this bountiful continent. -
Did you know that riders had to use stepstools to get onto the first bikes? Bicycles were once regarded as a nuisance to horses. Read about how they've become a significant part of our lives. -
Humans have used boats for hundreds of years. See how boats have changed into the mighty ocean-going vessels we use today. -
When Henry Ford put an engine on a horse carriage, he had no idea that his simple invention would revolutionize the world. Read about how an everyday part of our lives started with a single, simple concept. -
Doctors Without Borders provides medical attention to those in need. This remarkable organization has even won a Nobel Peace Prize for its services. Students will be inspired as they read about the good deeds of this organization. -
Greenland is more than 84, square miles. The worlds largest island also has many other extraordinary qualities that make learning about this island fun and exciting. The unique way of life in Greenland as well as the variety of animals on the island will fascinate young readers. -
SIN DESCRIPCION -
SIN DESCRIPCION -
Presents the history of the motorcycle and the many improvements that have occured. -
Discusses nuclear submarines, including their equipment, how they are run, and what they are used for. -
SIN DESCRIPCION -
Discusses supersonic jets, including how they are built, different types, and what they are used for. -
Photographs and text reveal information about the longest bridge in the world, including its location, how it was built, and the safety issues involved in its upkeep. -
Photographs and text depict information about the largest drilling rig, including its location, how it was built, and the way it is kept running. -
Disscusses in simple terms, the Itaipu dam, including where it is located, how it was built, and how it provides electricity. -
Discusses the world's largest soccer stadium, including where it is located and how it was built. -
Presents information on the tallest buildings in the world, including their size and how they were built. -
The world's largest desert is almost the same size as the United States! Student will marvel at the immensity of this desert while learning many other facts about this natural wonder. -
At 33 miles long, the Seikan Railroad Tunnel is the world's longest tunnel. From its beginning to its completion, the story of this Japanese tunnel will fascinate even the most reluctant readers. -
Describes the space shuttle, including lift-off, landing, working in space, and the crew. -
Did you know that the first basketball hoop was made from a peach basket? This book starts with basketball's humble beginnings and travels through its history to how the game is played today. -
The first skaters lived more than 10,000 years ago! Since then, figure skating has become a very exciting and beautiful sport. Students will learn all about the history of the sport in this intriguing book. -
Explica qué hace que un edificio alto sea un rascacielos, discute el diseño, construcción y estructura de los rascacielos, y describe rascacielos prominentes en Nueva York, China, Malasia y otros lugares. -
Este libro les dará a los estudiantes una comprensión de la historia del vuelo hasta la tecnología y los descubrimientos científicos que nos permiten volar aviones tan grandes como los superjumbo jets actuales. ¿Cómo se diseñan los aviones para que puedan operar de manera segura? ¿Cuál es el futuro del vuelo? ¡Todas estas preguntas y más serán respondidas a medida que los estudiantes echen un vistazo a los superjumbo jets, por dentro y por fuera! -
Este libro ofrece a los estudiantes una mirada profunda sobre cómo funcionan los telescopios grandes. La maravilla y el asombro del espacio y los instrumentos científicos que usamos para estudiarlo brillan en este libro fascinante. Los diagramas e ilustraciones a todo color ayudarán a los estudiantes a visualizar cómo funciona la tecnología de los telescopios. ¡Los estudiantes aprenderán sobre la creación de espejos de 8 metros de ancho y equipos de telescopios que trabajan juntos para crear un telescopio tan poderoso como si tuviera un espejo del tamaño de la Tierra! -
¡Imagínese viajar a la mitad de la velocidad de un avión sin abandonar el suelo! Los estudiantes descubrirán la tecnología que hace posible tales velocidades, desde pistas especiales y precauciones de seguridad hasta trenes diseñados aerodinámicamente. ¿Cuáles son los límites de la velocidad de los trenes? ¿Qué impone esos límites? Los estudiantes también leerán sobre el futuro del viaje en tren de pasajeros, desde trenes voladores hasta trenes que usan imanes enormes para levitar pulgadas o centímetros de la vía. ¡Algunos trenes alcanzan con seguridad velocidades de más de 200 mph! -
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!
