Los ciclos de vida — Las Mariposas

Did you know that liquids take the shape of their containers? If liquids get hot, they can become gases. Discover more interesting facts in Liquids, part of the States of Matter series of EYEDISCOVER books.

Did you know that gases have no size or shape? Gases can become liquids when they get cold. Discover more interesting facts in Gases, part of the States of Matter series of EYEDISCOVER books.

Defines pulleys, explains their functions, and suggests simple experiments to demonstrate how they work.

Material está pensado para los contenidos de música en los ciclos de Educación Primaria: lenguaje musical, formación rítmica, formación instrumental, formación auditiva y vocal, y cultura musical.

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.

En la sala de los animales africanos de un zoo, hay un león, un avestruz y una cebra. Los dos primeros nacieron en cautividad, y a la cebra la cazaron siendo todavía una cría. No conocen otra vida más allá de sus diminutas jaulas. Pero pronto llega un compañero nuevo, el gorila, que sí ha conocido la libertad en África, adonde quiere volver a toda costa. Este animal les hace ver a los demás que viven encerrados, y les explica lo que es la verdadera libertad.