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....

Acompaña a Óptimus Prime y a su equipo de Autobots en su lucha por defender el planeta Tierra de Megatrón y sus malvados Decepticons. Con este fantástico libro de actividades a todo color, encontrarás una gran variedad de juegos y puzles para entretenerte con toda la emoción de Transformers Prime. ¡Además, podrás recortar tu propia máscara de Transformers!

Who are the people of Cuba? Readers will probe this question through this lively book about the cultural traditions, festivals, music, art, dance, and food of this Caribbean island nation. Analyzing how the country's history has shaped the cultural identity of its people, this comprehensive text sheds light on the unique contributions Cubans have made. Readers also learn that it is the largest island and most populated country in the Caribbean. Each spread features stunning photographs, which make the information pop. This engaging take on curricular social studies concepts is sure to capture ...

Este volumen contiene ideas para que te conviertas en un elegante reloj de pie, en una simpática calabaza de Halloween, en un barco transatlántico o en un apetitoso plato de espaguetis, entre otros muchos objetos cotidianos que pueden resultar disfraces muy originales. El libro contiene 12 propuestas distintas, explicadas ?paso a paso?, más algunas posibles variaciones. Asimismo, se incluyen trucos, consejos y plantillas que facilitan la realización de cada idea.

In a dream, Joaquín meets various animals and discovers that they have very different tails which prove very useful to them.