Energía del viento

This inspiring biographical series ties in with elementary history, science, and social studies curricula, providing teachers with a valuable interdisciplinary resource. With these books, young readers will discover historical figures who devoted their lives to making the world a better place, and changed the course of history. Text copyright 2004 Lectorum Publications, Inc.

Defines pulleys, explains their functions, and suggests simple experiments to demonstrate how they work.

Defines screws, explains their functions, and suggests simple experiments to demonstrate how they work.

The plot of The Empty Region takes the reader from the military camps of holy warriors in Pakistan, to the security corridors of the CIA and the FBI. It’s a fascinating puzzle inhabited by historical characters, including Osama bin Laden and George W. Bush, as well as officials aware of the tragedy´s secrets. Szichman leads us along the terminals where the air pirates of al-Qaida consummated their tragic ritual, makes us travel on the airplanes, turned into guided missiles, and recreates the 102 minutes when the burning towers of the World Trade Center became hell on earth. Although...

This book offers a fun way to learn about 16 of the Prado's most important paintings. Each two-page spread teaches about the artist and the painting and asks readers to locate five objects in the artwork.

Light can travel faster than anything else in the universe. But what exactly is light, and where does it come from? This nonfiction Spanish book teaches students all about light, and introduces them to important scientific concepts and vocabulary terms like infrared, ultraviolet, photos, and visible spectrum. The intriguing images, detailed diagrams, and stimulating sidebars will keep students connected to the text. The fun lab activity provides a real-world learning experience that supports STEM instruction. Aligned to state and national standards, the leveled text supports differentiation....

LA ENCICLOPEDIA BRITÁNICA PARA NIÑOS. APRENDE Y DISFRUTA CON SU FORMATO REGALO. ¿Estás preparado para un viaje alucinante a través del universo? Adéntrate en el espacio con esta increíble Enciclopedia Británica, la enciclopedia más reconocida y rigurosa del mundo. ¿Sabías que el universo nació hace 13.800 millones de años? ¿O que se cree que hay 100.000 millones de galaxias? ¿Y que se han encontrado más de 4.000 exoplanetas? Descubrirás que nuestra Tierra se mueve a millones de kilómetros por hora, navegarás entre estrellas (que en realidad son bolas de fuego) y explorarás ...