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

The rock cycle has been taking place for millions of years. However, geologists have only known about this phenomenon for about 300 years. Young terrestrial explorers are introduced to different types of rocks, where in the cycle these rocks fit, and where in Earth's layers each step takes place. Fact boxes provide readers with fun additional information. A diagram helps readers make sense of the new information they're learning.

Although Earth is mostly made up of igneous and metamorphic rock, sedimentary rock covers about 75 percent of Earth's land surface. This means it's the most visible kind of rock on Earth. Sedimentary rocks form when sediment accumulates and compacts. Your readers will learn how sedimentary rocks form, the different types of sedimentary rocks, and how people use sedimentary rocks. Fun fact boxes provide readers with additional information. A helpful diagram illustrates how sedimentary rocks form.

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.

El segundo libro de yoga para niños de la instructora Macarena Kojakovic Nuestro ánimo y nuestras emociones cambian durante todo el año, ¡aunque muchas veces no nos demos cuenta! En este libro encontrarás diferentes secuencias para hacer yoga a lo largo de las cuatro estaciones y lograr que tu cuerpo, en sus diferentes etapas de desarrollo, se relaje, se estire y saque lo mejor de sí. Acepta el desafío de Patricio el erizo, Rosa la coneja, Octavio el perezoso y la flamenca Aurelia, y disfruta de los beneficios de hacer yoga en casa. Una guía diseñada por la instructora Macarena...

A step-by-step visual guide to building your own computer games using Scratch 3.0 Scratch 3.0 has landed, so stay ahead of the curve with this fully updated guide for beginner coders. Kids will love the step-by-step, visual approach that makes even the most difficult coding concepts fun and easy to understand. Coding Games in Scratch, 2nd Edition, blends coding theory with the practical task of creating exciting games. Children learn the fundamentals of computer programming by seeing how to build their own games. Coding theory is taught through practical tasks, so young programmers don't just ...

Se ofrecen textos agumentativos, informativos, romances, obras de teatro...para afianzar la habilidad lectora a la vez que se adquieren estrategias para comprender tipos de textos

Estramboticas, locas, delirantes, extravagantes, insolitas...Cuantas preguntas raras que se nos ocurren!Un libro en el que encontraras muchas preguntas acompanadas por su correspondiente respuesta.