El área de tecnología en Secundaria

What’s the difference between a seal and a sea lion? These “second cousins” of the sea look similar, but there are many ways to tell these creatures apart. From ear shape to the noises they make to communicate, seals and sea lions are amazing creatures with both shared features and many truly unique attributes. They both share an ocean habitat, but when readers take a closer look, it’s easy to discover how they each fight off predators, mate, and raise their young in different ways. Captivating full-color photographs help to bring these marvelous mammals to vivid life.

It was known as the age of the dinosaurs, but other fascinating creatures roamed the Earth at the same time. Learn about lesser-known animals from the prehistoric era that are no less fascinating! Students will be engaged in reading about ancient animals like Gigantopithecus, Titanoboa, Megalodon, and more as they develop their skills at reading and writing 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...

Durante veinticinco años Clara Ribalta es la hermana Nazaret dentro de un asilo de ancianos en Córdoba, pero un deslumbrador descubrimiento la transformará de nuevo en Clara Ribalta. Las afueras de Dios trata del itinerario físico y espiritual de esa mujer, que vive y ama hasta la muerte y más allá. El amor es el único alimento de su cuerpo y su alma. En muchas de sus manifestaciones: el divino, con su noche oscura, y también el humano; el que asciende a las cumbres más altas y el que se entrega del cuerpo; el amor franciscano a todas las criaturas y el amor a los ancianos, que...

Learn more about the renowned British scientist, professor, and author who spent his entire career trying to answer the question: "Where did the universe come from?" Stephen Hawking was born exactly three hundred years after the death of the scientist Galileo, so maybe it was written in the stars that he would become a famous scientist in his own right. Although he was diagnosed with a neurological disease at age 21, Stephen did not let the illness define his life. Known for his groundbreaking work in physics, and identified by his wheelchair and computerized voice system, Stephen continued...