Cómo Descubrió El Hombre Que El Planeta Se Está Calentando

Hoy en día, prácticamente todo el conocimiento humano se encuentra al alcance de nuestra mano: basta hacer tres clics en Internet. Pero, ¿cómo llegamos a adquirir dicho conocimiento? Hicieron falta cientos y en ocasiones miles de años para comprender lo que en la actualidad nos parece evidente. El conocimiento es una aventura, una odisea extraordinaria cuyos pormenores se narran en esta colección. ¿A qué se parece el Universo? A lo largo del tiempo, esta pregunta ha dado lugar a las más diversas y contradictorias respuestas. El Universo fue redondo, luego plano, cortado en dos, luego ...

Lo que al principio no saben estas gemelas es que alterar sus hábitos alimenticios para cumplir un pacto les hará mucho daño, pues ser comedora compulsiva o anoréxica no es un juego. Sólo la atención médica y el apoyo de sus padres las ayudará a salir adelante.

Book Features: • Ages 4-8, Grades PreK-2 • 16 pages, 8 inches x 8 inches • Simple, patterned Spanish text with full-color pictures • Includes comprehension questions, writing prompts, and high frequency words • Graphic organizers and photo glossary included Bring Learning to Life: In Listos para las Ciencias: Los Seres Vivos, preschoolers—second graders learn about different types of living beings, just like you! Science Made Fun: Living beings are all around us, including you and me! Young readers learn about different types of living beings, from their favorite animals to plants ...

As a young boy, Jos Marti he traveled to the countryside of Cuba and fell in love with the natural beauty of the land. During this trip he also witnessed the cruelties of slavery on sugar plantations. From that moment, Mart began to fight for the abolishment of slavery and for Cuban independence from Spain through his writing. By age seventeen, he was declared an enemy of Spain and was forced to leave his beloved island. Marti traveled the world and eventually settled in New York City. But the longer he stayed away from his homeland, the sicker and weaker he became. On doctor's orders he...

Did you know that the first wheel was not invented for transportation or that the system used to create computers was based on the functionality of a sewing machine? In a fun way, this book teaches the history behind inventions that have changed the way we live, from Ancient Mesopotamia to the present. Important details appear at the bottom of each page, including the name of the inventor, the time period, and the place where it occurred.