Cómo funcionan las ruedas y los ejes

Storms are a fascinating topic and a great way to get young readers interested in science. This series uses simple text and dramatic, full-color photos to take students inside nature's powerful and deadly storms. Each book explains one kind of storm- what it looks like, how it forms, the damage it can do, and how people can protect themselves from danger.

If asked to define a forest, readers might say, "It has a lot of trees." But many places have a lot of trees. So, what makes a forest a forest? Readers discover that a forest is unlike any other biome on Earth. And a temperate forest is even more specific. Readers learn the many life cycles found within a forest and how the energy pyramid explains the numbers of forest plants and animals. In addition, readers learn by examining how forces usually considered destructive work to help forests survive. 32pp.

El poeta Marcial, nacido en Bilbilis (cerca de Calatayud), dio al epigrama carta de ciudadania en la literatura latina como genero literario, incorporando en su escritura la tradicion literaria latina anterior, epigramatica y no epigramatica, configurandolo con la forma que entre nosotros ha quedado como definitiva: la de una composicion breve, incisiva, a menudo satirica y rematada con un rasgo inesperado.

Se abordan las Matemáticas desde lo experimental, lo estético, lo lúdico, lo cultural y desde la resolución de problemas. Supone un enriquecimiento para alumnos capaces de disfrutar dedicando tiempo para trabajar las Matemáticas, estimulados por la presencia de otros compañeros y de un profesor que guía las sesiones. Puede ofrecerse como materia optativa para estudiantes especialmente interesados por las Matemáticas.

Planet Earth gives us the things we need to survive. When it changes, it affects us all. But humans also affect Earth. It’s important that we take care of our planet so that it can continue to take care of us. This Spanish nonfiction book explores the subjects of human ecology and climate change in depth, and introduces students to important scientific concepts and vocabulary like desertification, deforestation, carbon dioxide, erosion, drought, fossil fuels, the greenhouse effect, and more. The colorful images, diagrams, sidebars, and text features will keep students connected to the text....