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....

¡La Pascua ha llegado! Aprende sobre los símbolos de Pascua como los huevos, los conejos y las flores. También, aprende sobre las diferentes maneras en que la gente festeja esta celebración primaveral. Las fotografías llamativas y el texto cuidadosamente organizado en niveles invitan a los lectores a ser parte de esta divertida celebración. Además de tener un glosario con imágenes, ayudamos a desarrollar habilidades de lectura informativa con preguntas de pensamiento crítico apropiadas para esta edad. Easter is here! Learn about Easter symbols such as eggs, bunnies, and flowers, and...

Take a trip to New Orleans with a young girl and her family as they attend one of the world's biggest parties: Mardi Gras! Learn all about the history of this fascinating festival as you practice subtraction strategies. This fiction math book combines math and literacy skills, and uses real-life examples of problem solving to teach subject area content. The full-color images, engaging sidebars, practice problems, and math diagrams make learning subtraction strategies relevant and fun. Text features include a table of contents, glossary, and index to increase understanding of math and reading...

Welcome to Mexico! From the various animals to the warm desert, readers are invited to explore all aspects of this beautiful country in this delightful, Spanish-translated nonfiction title. Using informational text in conjunction with vibrant photos, maps, and charts, readers will be engaged from beginning to end!

Alexa y otros ni�os de su escuela en Costa Rica tienen un proyecto especial: ellos est�n criando cocodrilos americanos. Ella nombra a su cocodrilo "Jefe" porque parece que �l est� a cargo de los otros. Alexa le trae pollo y ranas para comer y escribe acerca de su progreso en su diario. Muy pronto, su peque�o cr�o est� tan grande como una barra grande de pan. Se ha convertido en un cocodrilo joven y es tiempo de que Alexia le diga adi�s y que Jefe regrese a la vida salvaje.