Los estados de la materia — Los gases

Did you know that pigs are some of the smartest animals on Earth? Pigs keep themselves very clean. Discover more about these farm animals in My Pig.

Did you know that liquids take the shape of their containers? If liquids get hot, they can become gases. Discover more interesting facts in Liquids, part of the States of Matter series of EYEDISCOVER books.

Did you know that baby butterflies look like worms with legs? Caterpillars turn into butterflies inside a shell. Discover more about these flying insects in Butterflies, part of the Life Cycles series of EYEDISCOVER books.

Ao 1977: Kang Chol Hwan vive con su familia en un barrio acomodado de Pyongyang. Tiene nueve aos. Sus abuelos son favorables al rrimen de Kim Il Sung. Un da su abuelo, que incluso ha donado su fortuna al partido, desaparece. Poco despus, el resto de la familia es detenida y enviada a un campo de concentracin sin ms explicaciones. Comienza un calvario que durar diez aos: trabajos forzados, vigilancia continua, humillaciones, castigos y, sobre todo, hambre, fro y enfermedades. Unos aos despus de ser puesto en libertad, y ante la amenaza de ser detenido nuevamente, Kang Chol Hwan huye a China y...

Ojalá aquí encuentres las palabras exactas para aprender a quererte y a querer a los demás. Me da miedo que entres en estas hojas, pero sí lo haces sé que serás valiente. He vomitado todo lo que tengo dentro y que guardaba bajo llave, he recordado a las personas que están, las que se fueron y las que algún día llegarán, a quien me rompió el corazón y yo se lo rompí... He hecho honor a la vida, al amor propio, al querer y poder...por eso, espero que cuando leas la última letra sólo quieras volver leer y a empezar. Que nada es imposible, que quererse es de valientes

The Industrial Revolution was one of the most dramatic eras of all time, filled with fascinating people, strange events, and incredible stories. This period of great change comes into sharp focus through each spread with detailed, accessible language. Each fact is complemented with vivid, carefully-chosen historical images and illustrations, and a caption that adds just a touch more history. Readers are drawn deep into the facts not covered in history textbooks, like working conditions, inventions, failures, and characters, to make this important history lesson fun and engaging.

Climb aboard for a journey into the world of trains! In this fascinating, Spanish-translated nonfiction title, readers learn about the history of trains, the different uses for them, and the different types and parts including freight cars, box cars, passenger cars, and the caboose. With detailed photos, informative text, and intriguing facts, this book will have readers delighted from cover to cover! This 6-Pack includes six copies of this title and a lesson plan.