El fantasma negro

How much life can one cubic foot hold? Read how photographer David Liittschwager and zoologist Chris Meyer studied life in one cubic foot, and how their findings can teach us about life on the entire planet. Created in collaboration with the Smithsonian Institution, this Spanish Informational Text builds reading skills while engaging students' curiosity about STEAM topics through real-world examples. Packed with factoids and informative sidebars, it features a hands-on STEAM challenge that is perfect for use in a makerspace and teaches students every step of the engineering design process....

Con material de orientacion directo del IB unico en su tipo, mas de 700 paginas de practicas y la cobertura mas exhaustiva y precisa del programa de estudios, este libro del alumno ofrece una preparacion para que los estudiantes sobresalgan en la asignatura. El unico recurso ideado directamente con el IB, este libro captura perfectamente la filosofia educativa del IB de vincular las aplicaciones matematicas con ejemplos pertinentes provenientes de contextos reales. Cobertura completa del programa de estudios: la cobertura mas precisa del programa de estudios de la asignatura del Programa del...

El chocolate es una golosina sabrosa. ¿Pero sabías que el chocolate viene de una vaina de cacao que crece en un árbol? Sigue cada paso del proceso para descubrir cómo una vaina de cacao se transforma en chocolate. Chocolate is a tasty treat. But did you know that chocolate starts as a bean growing on a tree? Follow each step in the process to discover how a bean becomes chocolate. Now in Spanish!

Besides oil, Texas has long been associated with cattle and agriculture. Learning about these industries will allow readers understand how valuable their development is to the growth of the state of Texas, as well as America's economy.