Todos Hacemos Caca

Describes the U.S. Army Rangers, including their missions, vehicles, weapons, equipment, and duties. Written in English and Spanish.

As a land that’s constantly in flux, Earth sometimes reveals clues about the plants, animals, and other organisms that lived long ago. Fossils teach us much about what life was like millions of years ago, answering the questions of how Earth changed and maybe even why it changed. This essential Earth science topic is thoroughly explained through manageable text, fact boxes, informational charts and diagrams, and a glossary and index. Readers will become young Earth detectives by the time they’re through with this text!

When rocks change because of environmental conditions, the new rocks are called metamorphic rocks. A rock's chemical or physical makeup may change because of conditions such as temperature, stress, or pressure. Your readers will learn fascinating facts including where metamorphic rocks are most commonly found, the different types of metamorphism, and how metamorphic rocks are identified. Full-color photographs depict these rocks in nature. A helpful graphic organizer shows how these fascinating rocks form.

Una nueva alumna ha llegado a la Academia. Se llama Diletta y proviene de una pequeña y lejana ciudad. La familia de Zoe se ha ofrecido a acogerla, a pesar de que ella no quiere compartir ni su espacio ni su tiempo, y ni siquiera a sus amigos. De ahí que desde el principio se niegue a entablar amistad con Diletta. ¿Cambiará de actitud? Por si no fuera suficiente, Madame Olenska está descontenta con toda la clase, porque cree que sus alumnas no se están esforzando demasiado.