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.

En este libro un autor y veinte ilustradores muestran con asombro que los objetos, en apariencia ya conocidos, no lo son tanto. Que ellos mismos tienen una vida propia, un pasado histórico y un simbolismo cultural. Cada objeto tiene una historia transcurrida y un porvenir continuo. Pero es raro que en cierto momento nos detengamos y preguntemos por tales orígenes y desarrollo de alguno de ellos. O alguien, mientras come, se ha cuestionado sobre quien inventaría el tenedor. Son preguntas que no surgen porque los objetos son ya tan comunes y han estado demasiado tiempo junto a nosotros, que...

Übungsgrammatik für Deutschlerner, Niveau A1-B1. Mit Hörübungen als MP3 und interaktiven Übungen auf CD-ROM.

Surveys the life of the American statesman, lawmaker, writer of the Federalist Papers, and first secretary of treasury under George Washington.

It is time to learn about living things! Can you spot which things are living? Can you tell which things are nonliving? With images that are easy to identify and clear, simple sentence structures, this Spanish science reader simplifies scientific concepts for young readers. A fun and easy science experiment and Your Turn! activity provide more in-depth opportunities for additional learning. Nonfiction text features include a glossary and an index. Engage young learners with this dynamic text!