¿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.

Newton's laws aren't the easiest science topics to digest. Struggling readers likely find understanding them even harder. This volume breaks down the topics of force and motion to its most basic and understandable parts, perfect to introduce to readers having a hard time or students looking to review for class. Written in succinct language, each chapter contains fact boxes and graphic organizers to aid all readers as they move from speed, to velocity and on.

Images of Rainbow Fish's undersea world, from a red starfish to a brown snail, reinforced by facing pages in the appropriate color, teach the colors. On board pages.

Learning about a career as a molecular biologist is the perfect introduction to the practical applications of STEM. This career-focused book aims a microscope at molecular biology, helping readers understand DNA, genes, and the systems within a cell. Readers will also learn about advances in the field and how to work towards a job as a molecular biologist. Accessible text is paired with vivid visuals to keep readers’ interest as they learn more about this STEM topic. A graphic organizer and fun fact boxes present additional information to ensure a dynamic learning experience.

A partir de la aparición de Pedro Páramo , en marzo de 1955, Rulfo escribe su segunda novela, El gallo de oro. Ambientada en el mundo de las peleas de gallos y concebida como proyecto cinematográfico, probablemente se trate de la obra menos conocida del autor mexicano. No obstante ese desconocimiento, la valoración literaria está al mismo nivel que Pedro Páramo y Llano en Llamas .RM publica esta edición especial de El gallo de oro con dos textos críticos de José Carlos González Boixo y Douglas J. Weatherford, sobre la naturaleza literaria de esta narración, a la que se incorporan...