Agujeros negros (Black Holes)

For many years, people believed there were nine planets that orbited the sun. Now we say there are eight. What happened to the ninth planet, Pluto? What are the different planets like? What exactly makes a planet a planet? These are the many intriguing questions answered with this high-interest book, crafted to be accessible for readers of all levels. Young astronomers will be especially fascinated by the stunning photographs and the "Make the Grade" fact boxes.

Explains the process of making a book by following the production of Nancy Carlson's book, "It's Not My Fault!," through its stages of writing, illustrating, editing, designing, printing, and binding.

"Descubre más acerca del verdadero Walt Disney en esta divertida y emocionante biografía ilustrada!"--Page 4 of cover.

En estos materiales se ofrecen ideas, técnicas, ejemplos y fundamentación teórica para el tratamiento en el aula de los contenidos procedimentales en tres campos: comprensión lectora, resolución de ejercicios y problemas y actividad investigadora. Los ejemplos que se incluyen de todos los niveles de la ESO y de las cuatro materias integrantes de las Ciencias de la Naturaleza, permiten al profesorado sacar ideas para realizar su propia programación.

Discusses the life and work of French soldier and political thinker, Marquis de Lafayette, and his role in the American Revolution.