Conservación de la masa (Conservation of Mass)

Light can travel faster than anything else in the universe. But what exactly is light, and where does it come from? This nonfiction Spanish book teaches students all about light, and introduces them to important scientific concepts and vocabulary terms like infrared, ultraviolet, photos, and visible spectrum. The intriguing images, detailed diagrams, and stimulating sidebars will keep students connected to the text. The fun lab activity provides a real-world learning experience that supports STEM instruction. Aligned to state and national standards, the leveled text supports differentiation....

In this inspiring biography, readers will learn about the incredible journey of Helen Keller. Using informational, Spanish-translated text and expressive images and photos, readers will discover the undeniable determination that Keller had as a young deaf and blind girl and how her teacher, Anne Sullivan, helped her to read, write, speak, and graduate from college. With a timeline, a bibliography, and a glossary of terms, children are given the tools they need to expand their knowledge about this fascinating and inspiring woman.

Groups of American Indians had been living in the Texas region for thousands of years when American settlers decided to expand westward. This captivating book has been translated into Spanish and explores the history of American Indians in Texas and how each group found different ways to live in the region they inhabited. Readers will learn about a variety of tribes, including Karankawa tribe, Jumano, Caddo, Lipan Apache, and Shoshone and discover how they struggled to survive European colonization, the Indian Removal Act, and American expansion. Other topics include the Dawes Act, Indian...

Ganador del I Premio Los Odres de poesía, el cubano Alexis Díaz-Pimienta nos muestra un verdadero festín poético de lenguajes y metros. Reflexión sentimental sobre la identidad, las caretas, el fingimiento. Todo rostro es, en esencia, un disfraz que nos protege de los otros y de nosotros mismos.

En este libro descubrirás: -Cómo elaborar y utilizar tu propio cuaderno para anotar tus hallazgos campestres. -Buscar el rastro que los animales dejan tras de sí, como huellas, restos de comida, madrigueras... -Hacer tú mismo comederos para animales en el jardín o en la ventana. -Por qué es tan importante reciclar aquella basura que pueda ser peligrosa para el medio ambiente. -Cómo cultivar tu propia cosecha en casa utilizando frutos silvestres, piñas o semillas. -Escuchar, oler y mirar con atención la naturaleza cada vez que damos un paseo por el campo.