Los ciclos de vida de los peces (Fish Life Cycles)

Many insects hatch from eggs and molt several times as they grow bigger. Others, such as butterflies, undergo a complete metamorphosis. A common science curriculum topic, insect life cycles may be confusing because of these differences. However, this book breaks down these cycles into easy-to-understand steps in both accessible language and colorful diagrams readers can turn to for review again and again. The most important vocabulary needed to talk about insect life cycles is further explained in fact boxes and an extended glossary.

Introduces Iran, including the geography, people, education, rural and urban life, housing, food, work, and amusements, along with other information about the country.

En formato de álbum, cuidadosamente editado, esta antología recoge 23 poemas del reconocido poeta Rafael Alberti, los más adecuados para los pequeños lectores y para quienes se acercan a la poesía como si fueran niños. Ilustrados por Federico Delicado

¿Cómo de grande es el universo? ¿Podremos algún día viajar a otras estrellas? ¿Qué es un agujero negro? ¡Descúbrelo con este libro! ¿Alguna vez has levantado la vista al cielo en una noche estrellada y te has dejado llevar por la imaginación? Igual en ese momento te has trasladado a mundos que van más allá de lo que podemos imaginar en la Tierra. Algunos con vida, puede que inteligente, y otros completamente inhóspitos e infernales. O quizá simplemente te has preguntado cuántas estrellas hay en la Vía Láctea. Si alguna vez te has hecho alguna de estas preguntas, este libro...

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...