¿Por qué hibernan los animales? (Why Animals Hibernate)

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.

Diamonds and salt are both minerals, but diamonds are more rare than salt. Curious readers will learn what physical and chemical conditions must be present for minerals to form. They'll discover how minerals are identified and how they are used in daily life. Informative and interesting text presents readers with this science content in a fun way. A graphic organizer shows how different minerals are identified and fact boxes provide readers with exciting supplementary information.

Cuaderno de actividades para afianzar los conocimientos adquiridos. Consta de quince unidades, que se corresponden con las del libro del alumno. Incluye un solucionario al final del cuaderno.

This colorful counting book uses catchy rhymes and vibrant illustrations to help children count from 1 to 20 and then in groups of 10 to 100 using the popular cereal's O's as units. "Food is a major part of every toddler's day, and food is the focus here: holding it, playing with it, eating it, and, also, counting it, so that numbers become a natural part of breakfast, and concepts are learned through crunchy physical facts.

Provides basic shapes and other techniques of cartooning, followed by illustrated, step-by-step instructions for drawing cartoon villains, superheroes, manga characters, and more.

Newton's laws aren't the easiest science topics to digest. Struggling readers likely find understanding them even harder. This volume breaks down the topics of force and motion to its most basic and understandable parts, perfect to introduce to readers having a hard time or students looking to review for class. Written in succinct language, each chapter contains fact boxes and graphic organizers to aid all readers as they move from speed, to velocity and on.