El Antiguo Egipto

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.

What does it take to build an amazing sandcastle? The answer is: more than you think! Take students on a fun exploration of the properties of sand and factors that influence sandcastle construction such as moisture and sunlight. Created in collaboration with the Smithsonian Institution, this STEAM book will ignite a curiosity about STEAM topics through real-world examples. It 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 Smithsonian...

Este libro regala a cada lector la posibilidad de vivir una vida extraordinaria fundamentada en una realidad interna llena de belleza espiritual. Con 22 consejos para embellecer tu carácter, Valeria Leys te llevará de manera clara a tomar decisiones prácticas que cambiaran tu realidad interna de manera que tu persona, tus actitudes y decisiones puedan reflejar toda tu belleza interior.

La historia de la aventura de Alejandro es una historia sobre la búsqueda épica de los límites de lo posible, de lo que somos capaces. Así, desde su Macedonia natal, con su madre bruja y su padre tuerto y artero, ambos espíritus indomables, el jovencísimo Alejandro parece encarnar la curiosidad y el deseo de los jóvenes por probarse, por cuestionar lo que conocen, y sobre todo, por traspasar las expectativas que han caído sobre ellos.