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

Diamonds and salt are both minerals, but diamonds are more rare than salt. Curious readers will learn what physical and chemical conditions must be present for minerals to form. They'll discover how minerals are identified and how they are used in daily life. Informative and interesting text presents readers with this science content in a fun way. A graphic organizer shows how different minerals are identified and fact boxes provide readers with exciting supplementary information.

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.

Los males menores, compuesto de treinta y ocho microrrelatos, es un ejemplo claro de la maestría literaria de Luis Mateo Díez. Dado que el género se presta, como ningún otro, a la experimentación, el autor se acerca en esta obra a los límites de la condensación, la intensidad, la expresividad y la imaginación para llamarnos la atención sobre la fragilidad de la vida humana, lo paradójico de la existencia y lo ambiguo de nuestra conducta, o mostrarnos los anhelos más recónditos, así como el lado oscuro de los sueños.

Desarrollo práctico de un programa para apoyo y refuerzo de Matemáticas en la ESO, en el que se ofrecen abundantes ejemplos y numerosos problemas y actividades (con su solucionario correspondiente) para que el alumnado las resuelva y se ejercite en los procedimientos propios del área.

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...

In this book from the critically acclaimed Little People, BIG DREAMS series, discover the life of Jean-Michel Basquiat, the graffiti street art movement pioneer. Jean-Michel was born in Brooklyn, New York. His father was from Haiti and his mother was Puerto Rican–American. As a child, his gift for art was noticed by his teachers and nurtured by his mother. After struggling in high school, he gained recognition as part of the graffito duo SAMO that spray-painted cryptic messages and images around the landscape of Manhattan's Lower East Side. He eventually made his way to the New York gallery ...