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....

- Tintin is a world famous series with 75 years of staying power! The series' enduring popularity is evident from its elaborate website (www.tintin.com) that offers Tintin news and information in five different languages. The news section of the site indicates that in addition the ongoing publication of new books about the series and about the author's life, Tintin art exhibitions and theatrical adaptations continue worldwide. The site also includes a list of retailers who carry Tintin products, and its own online store which offers a generous helping of books, apparel, accessories, toys,...

Introduces the former Duke University basketball star, Grant Hill, who now plays for the Detroit Pistons.

We have summarized the essential of the following texts: From POLITICAL ESSAYS, "The crisis of the Welfare State and the depletion of the utopian energies", from THEORY AND PRAXIS, "The classsical doctrine of politics and its relationships with philosophy", a small fragment of "Science and technique as ideology and the article "Modernity, an uncomplete project".

El racismo y las ganancias fueron fuerzas que impulsaron el crecimiento de la esclavitud. Aprende sobre el Pasaje del Medio, el comercio triangular y las personas que continuaron luchando por el cambio después de que se prohibiera la importación de personas esclavizadas. Racism and profit were driving forces in the growth of slavery. Learn about the Middle Passage, the triangular trade, and the people who continued fighting for change after the importation of enslaved people was banned. Now in Spanish! Read Woke(TM) Books are created in partnership with Cicely Lewis, the Read Woke...