Agujeros negros (Black Holes)

Kids often play with magnets, yet they don't learn how these playthings work for many years. Practical knowledge from their play can help them learn more about magnetism, and so can this book. Specially written for those with reading challenges or readers looking for a review, the main text covers important vocabulary, magnetic fields, and a discussion of why metals and magnets come together. Diagrams and succinct fact boxes offer additional ways to learn each concept and explain some ideas in greater detail.

The world is filled with curious objects made by plants, animals, and even by the Earth itself. Dive into this collection of more than 100 intriguing items from the natural world and discover the stories behind them. Learn how huge whales eat tiny animals from looking at their bristly teeth, why butterflies shine and glitter in the sunlight from seeing their minute wing scales, how plants transport water and food around from examining a delicate leaf skeleton, and what makes every snowflake unique from admiring their miniature, branching crystals of ice. Birds' eggs, a lump of coal, a glass...

La comunicación se presenta en todos los ámbitos de la vida y evoluciona con ellos. Los cambios en la manera de comunicarnos, como ocurre con los programas de videollamada y de docencia en línea que tanto hemos usado durante la pandemia, son una buena muestra de ello. En este libro, diez profesores –coordinados por otros dos- de la Escuela de Comunicación de la Universidad Panamericana, Campus Guadalajara, ofrece su perspectiva evolutiva de la comunicación desde su propia área de experiencia. Pedro F. Linares comienza narrando el desafío que las nuevas tecnologías de la...

This second volume of Obras de teatro infantil presents comedies of love, fear, adventure and absurdity to be read and performed by children both at school and at home.