Las religiones del mundo

There are many steps in the nitrogen cycle that include difficult concepts and words: denitrification, prokaryotes, ammonia, and more. With the help of this understandable book, even struggling readers will grasp this cycle of nature. Low-level language, fact boxes, and an extended glossary provide readers with essential vocabulary explanations that allow them to further understand each step of the cycle. Full-color diagrams aid readers' comprehension as they move through the cycle from start to finish, and then around again.

Roberto Clemente is remembered as a one of the greatest baseball players who ever lived but more than that, he was a man who believed in equality for all. Readers will learn about his incredible life in this inspiring, Spanish-translated nonfiction biographical title. Children will enthusiastically want to learn all they can about Roberto's amazing life as the first Puerto Rican in major league baseball through vibrant images, intriguing facts, a helpful timeline, and a glossary that will assist in vocabulary improvement. This 6-Pack includes six copies of this title and a lesson plan.

¿Sabías que la forma tubular del submarino lo ayuda a moverse más rápido por el agua? Los tanques de lastre lo ayudan a hundirse o flotar. Aprende más datos fascinantes en Los submarinos, uno de los libros de Máquinas militares poderosas.

Un libro para que los chicos conozcan de manera divertida el mundo de la luz y los colores. ¿Por qué vemos los objetos? ¿Por qué unos tienen un color y otros otro? ¿cuántos colores hay y cuántos podemos ver? Un montón de preguntas con sus respuestas claras, sencillas y divertidas. Completamente ilustrado para facilitar la comprensión de los chicos. Nota: este libro es gratuito. Si al descargarlo se solicitase una tarjeta de crédito, pulsar en el botón "descargar muestra", ya que se descargará el libro completo.