Abejas (Bees)

"Amphibians have some of the most interesting life cycles on Earth. The metamorphosis frogs, toads, salamanders, newts, and caecilians go through has many steps that readers need to understand and remember. This book offers a concise overview of the general amphibian life cycle as well as representative examples of the many species within the animal group. Most importantly, the accessible language is paired with diagrams of the steps of the life cycle to augment readers' understanding of this topic often found in the science curriculum."

Life on Earth depends on carbon. In fact, about 18.5 percent of a human body's mass is carbon. How carbon is taking in and given off through animals' breathing, the burning of fossil fuels, and more can be shown in the model known as the carbon cycle. Though this concept can be confusing, all readers have a chance to understand this concept through the text and simple diagrams in this book. Both struggling readers and those looking for review can find the most important components and vocabulary of the carbon cycle in low-level, accessible text.

The author tells about the origin and development of two Spanish romances: The Alfambra woman buried alive and The lovers of Teruel. The first recounts the infidelity of a lecherous woman, the Countess of Alfambra, who betrays her husband by delivering him to his enemy; and whose final dénouement is the defeat of the adulterous couple and their being condemned to death by being burnt at the stake. The Story of the Lovers of Teruel recounts the tragic life of one of the members of the Marcilla family, enamoured of a rich damsel who returned his love. However, her father's refusal to consent...

Este divertido e informativo libro STEAM sobre tiburones facilita a los padres y maestros presentar STEAM a sus alumnos más pequeños. Creado en colaboración con el Smithsonian, este libro en español utiliza ejemplos del mundo real para facilitar la comprensión de los temas de STEAM. Presenta una actividad STEAM apropiada para la edad que es perfecta para espacios de creación e introduce a los estudiantes de inglés en los pasos del proceso de diseño de ingeniería. Ayuda a los lectores principiantes a aprender a leer y es ideal para estudiantes de jardín de infantes o de 4 a 6 años.

Cuaderno de actividades para afianzar los conocimientos adquiridos. Consta de quince unidades, que se corresponden con las del libro del alumno. Incluye un solucionario al final del cuaderno.

Before there was the U.S. Constitution, there were the Articles of Confederation. Readers discover the story behind the first written constitution of the United States—from the factors that inspired its creation to the reasons why it was replaced. The detailed main text is enhanced by informative sidebars and graphic organizers. Historical images, including relevant primary sources, allow readers to immerse themselves in this historical period. Readers are given the chance to thoroughly examine elements of the original document, making them feel like true historians. They’re sure to enjoy ...