¿Por qué hibernan los animales? (Why Animals Hibernate)

Although Earth is mostly made up of igneous and metamorphic rock, sedimentary rock covers about 75 percent of Earth's land surface. This means it's the most visible kind of rock on Earth. Sedimentary rocks form when sediment accumulates and compacts. Your readers will learn how sedimentary rocks form, the different types of sedimentary rocks, and how people use sedimentary rocks. Fun fact boxes provide readers with additional information. A helpful diagram illustrates how sedimentary rocks form.

The rock cycle has been taking place for millions of years. However, geologists have only known about this phenomenon for about 300 years. Young terrestrial explorers are introduced to different types of rocks, where in the cycle these rocks fit, and where in Earth's layers each step takes place. Fact boxes provide readers with fun additional information. A diagram helps readers make sense of the new information they're learning.

When rocks change because of environmental conditions, the new rocks are called metamorphic rocks. A rock's chemical or physical makeup may change because of conditions such as temperature, stress, or pressure. Your readers will learn fascinating facts including where metamorphic rocks are most commonly found, the different types of metamorphism, and how metamorphic rocks are identified. Full-color photographs depict these rocks in nature. A helpful graphic organizer shows how these fascinating rocks form.

Sumérgete en poemas de estilo confesional que van desde el corazón roto a amistades, desafíos & salud mental. “Sueños & Desastres” explora lo que es vivir en la etapa donde hay cambios constantes en tu persona, en tu vida y en tu mundo. Del autor de “Buenas Historias de Malos Días” & “Anomalía”, Carlos Lerma ofrece poemas profundos y reflexivos al igual que cartas escritas para personas que nunca responderán y todo esto emparejado con cinco historias incómodamente honestas de la vida de Carlos. En esta entrega visualmente emocionante de poemas e ilustraciones de la mente...

¿Te gustan las búsquedas del tesoro? ¿Cómo sabes si el agua de un arroyo está limpia y saludable? Acompaña a Lucas y a su hermana mientras hacen de científicos en búsqueda de ciertos tipos de insectos de arroyo (macroinvertebrados acuáticos) que necesitan agua limpia y libre de contaminación para sobrevivir. ¿Qué encontrarán al voltear piedras, levantar hojas y buscar entre el lodo? Sigue leyendo para saber si su arroyo recibe una calificación de aprobación.

¡Vroom! Siga leyendo para aprender sobre las motocicletas y sus jinetes. Grandes características como fotografías de color, diagramas y un glosario de fotos ayudan a los lectores jóvenes a navegar esta introducción a la no ficción. ¡Vamos a dar un paseo! Vroom! Read on to learn about motorcycles and their riders. Great features like full-color photographs, diagrams, and a photo glossary help young readers navigate this Spanish-language introduction to nonfiction. Let's go for a ride!

Introduce readers to the various ways they can participate in volunteerism with this Spanish-translated nonfiction title. Readers will discover many different charities and programs, including The Salvation Army, Feeding America, Habitat for Humanity, and Doctors Without Borders through vivid images, charts, and informational text. This nonfiction title aids in encouraging children to make a difference in their own communities by writing to newspapers or politicians or by participating in fund-raising and various programs or charities.