El ciclo del nitrógeno (The Nitrogen Cycle)

Trabajadores de mi escuela (Workers at My School) builds critical literacy skills with this exciting Spanish-translated nonfiction reader. Engage students with fascinating content that will keep them enthralled from the first page to the last. Focusing on all the different people who work at a school, children will be introduced to different school employees. This informational text features simple phrases, exact text-to-image relationships, vivid photographs, and large font to encourage students to examine different types of school workers. Aligned with state standards, Trabajadores de mi...

Parte de la exitosa serie Little People, BIG DREAMS, Marie Curie cuenta la inspiradora historia de uno de los científicos más famosos del mundo / Part of the bestselling Little People, BIG DREAMS series, Marie Curie tells the inspiring story of one of the world's most famous scientists.

Unas vacaciones con un desenlace inesperado, un equipo de ft︢bol de provincias humilde pero ambicioso, un reencuentro con el pasado en la ciudad de juventud: tres escenarios, tres familias. Tres viajes que sumergen al lector en los vn̕culos emocionales que rigen las relaciones entre los personajes. Los protagonistas de los relatos que componen este volumen ("Siempre hay un perro al acecho", "El fin de los buenos tiempos" y "La ley de la gravedad") estǹ marcados por secretos silenciados, por acusaciones reveladoras, por el amor y el implacable paso del tiempo.

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.