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.

¡No te pierdas este libro! Un recorrido por la historia de los Juegos Olímpicos, desde sus inicios hasta hoy, en el que encontrarás información sobre disciplinas, participantes, medallas y situaciones curiosas. • Los Juegos de Londres 2012 fueron los primeros en ser transmitidos en 3D. • Río de Janeiro 2016 representa el primer evento olímpico en Sudamérica. México, en 1968, fue la primera ciudad latinoamericana en concretarlo. • Para llevar la antorcha olímpica solo es necesario ser mayor de catorce años y poder recorrer cuatrocientos metros. • El fútbol americano fue...

What do solar panels, waterproof clothing, and window coverings have in common? They are technologies that have been adapted based on studying butterflies! Learn what scientists have learned from butterflies with this Spanish book that will ignite a curiosity about STEAM topics through real-world examples. Created in collaboration with the Smithsonian Institution, this STEAM book features a hands-on STEAM challenge that is perfect for makerspaces and that guides students step-by-step through the engineering design process. Make STEAM career connections with career advice from actual...

El ADR es un documento extenso y tedioso. Por ello resulta imprescindible entender su estructura para asi poder convertirse en una herramienta sencilla de manejar. Expedidores, ambaladores, cargadores/llenadores, transportistas, descargadores y explotadores de cisternas asi como los Consejeros de Seguridad para el transporte por carretera tiene la obligación de formar cualquier empleado que intervenga en operaciones de expedición, embalaje, carga, transporte y descarga de mercancías peligrosas por carretera.

What has hairy paws, a fluffy tail, and huge and fuzzy ears? If you guessed a fennec fox, you're right! This book introduces early readers to a mystery animal by describing its features, one by one, using short simple sentences and eye-popping full-color photos. At the end of the book, the secret animal is revealed across a colorful, two-page spread. Young children will love showing off their beginning reading skills as they learn about this dazzling collection of wild and wonderful zoo animals--one clue at a time! Fast facts and habitat maps at the end of the book provide children with key...