Bioética y tragedia humana (Con algunas reflexiones básicas sobre la vida y la m

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...

Alexander Graham Bell was always trying to invent new things! In this biography that has been translated into Spanish, readers will learn about Alexander's life as a teacher and inventor of such incredible inventions as the telephone, record player, and metal detector. Colorful images, supportive text, an interesting timeline, and a helpful glossary, table of contents, and index combine to give readers an inspiring look into the life of Alexander Bell. This 6-Pack includes six copies of this title and a lesson plan.

¿Qué es un virus? ¿Cuántos hay a nuestro alrededor? ¿Dónde viven estos microorganismos invisibles al ojo humano? Las respuestas, adaptadas a lectores de todas las edades. Después de las pupas y los mocos, es el turno de los virus, el tercer título de la exitosa colección " La vida secreta de...". Las ilustraciones son también de Mariona Tolosa Sisteré. Una herramienta para familiarizar a los más pequeños con los virus, saber cómo protegerse de estos y descubrir que la mayoría son inofensivos. Contenidos rigurosos y muy accesibles, escritos por el colectivo de mujeres...

Texas's vast and spectacular landscape has more than 100 national and state parks. From the state's own Grand Canyon, to historic sites and a forest, readers will learn that the state's scenery is much more than the deserts it is so often associated with.