Los asteroides y los cometas (Asteroids and Comets) (Spanish Version)

There is a bright light in the night sky. Sometimes it is round like a ball, sometimes it is a crescent, and sometimes it is not there at all! What is this strange and changing thing? It is the moon, of course! Read all about our moon and the moons surrounding other planets in this Spanish-translated book.

Do you know the important skills it takes to survive in the jungle? Learn about them in this useful, Spanish-translated nonfiction title. With helpful diagrams, vital tips and instructions, vivid images, and a glossary of useful terms, this title will have readers feeling aware and prepared!

What do you do if you find yourself stranded at sea? This useful Spanish-translated nonfiction book gives readers the information they need in order to survive at sea. With essential tips and instructions, helpful diagrams and images, a bibliography, and a list of other useful websites, readers will learn everything they need in order to survive--from the dangers of hypothermia, what to do if there's only saltwater available, and other useful survival skills.

Most of the Earth's changes happen over millions of years, but earthquakes can force significant changes to the land in just a few moments. Readers will learn the science of plate tectonics and its role in the development of earthquakes around the globe. They will also learn that not all rocks are created equal. In fact, rocks are all different ages! This Spanish-translated book concludes with images of the damage and destruction that earthquakes can cause.

Se trata de un relato en el que el escritor indaga en su pasado familiar para desentrañar el misterio de la desaparición de su abuelo en un tren.

Mixtures And Solutions Exist Everywhere And Students Will Learn How Some Materials Mix Easily While Others Won't Mix At All. Gives Examples Students Can Use To Make A Physical Mixture And Gives Detailed Information On How Different Components Make Up Different Solutions.

¿Te atreves a entrar en el Laboratorio de Plagas de este libro? Aquí estudiamos la historia de las enfermedades más terribles. Si te contagias de alguna, te pondrás enfermo. O peor aún. Muchas de esas enfermedades peligrosas se propagan rápidamente, y entonces miles de personas enferman y mueren: es lo que llamamos una epidemia o plaga. Pero... ¡no te asustes! También estudiamos las soluciones para erradicarlas y te presentamos los tres tipos de gérmenes (los protistas, las bacterias y los virus) y cómo combatirlos. La repugnante historia de enfermedades mortales, explicada por las...

The values and traditions of Mexicans at home, school, and work are explored as well as how life differs in urban and rural settings.