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.

Magnífico libro ilustrado que cuenta desde una óptica distinta las 23 leyendas más famosas de los héroes y dioses de la mitología. Tras cada leyenda, un apartado explicará curiosidades poco conocidas que han permanecido en el tiempo y han pasado a formar parte de nuestra tradición.

Have you ever seen a skyscraper that is shaped like an elephant? How about one that looks like waves? Students will learn how to measure area while engaged in reading about the world's coolest skyscrapers! This Spanish book uses real-world examples to teach math concepts, and incorporates nonfiction reading to increase vocabulary and comprehension skills. The practice problems, graphs, and sidebars provide many opportunities for students to practice their developing math skills, and apply what they've learned to their daily lives. Essential text features like a glossary, index, and table of...

Readers may never expect that they might free fall to Earth, but if they have ever dived into a pool, that's exactly what they've done. This book shows readers how Newton's three laws of motion affect divers, skydivers, and mountain climbers' movements. Readers discover who uses gravity, and who works against it, and all other forces that contribute to a successful dive or climb. After reading this book, readers can decide if they will ever be interested in engaging in one of these extreme sports.

¿Estás obsesionado con el manga o con los juegos de rol? ¿Te pasas las horas muertas navegando en Internet o construyendo tu propia armadura samurái? ¿Tu familia y tus amigos se sorprenden de que tengas en casa todas las ediciones del libro gordo de Petete o te miran de forma rara cuando vas al estreno de cualquiera de los episodios de Star Wars disfrazado de Darth Vader? Si te apasiona la informática, la electrónica, la ciencia, los videojuegos, los cómics, la literatura de ciencia ficción, ¡eres un verdadero friki! Y si además de friki eres padre, ¡estás de enhorabuena!Ken...