Seres vivos y no vivos en un ecosistema (Life and Non-Life in an Ecosystem)

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.

Bright stars twinkle in the night sky. Have you looked up into the sky on a clear night and seen these tiny points of light? Did you know that there are many kinds of stars in space? Find out all about them in this Spanish-translated book.

Biographical And Science-Related Information Examining The Life Of Robert Fulton And His Invention Of The First Steamboat To Work Successfully.

Introduce students to immigration in America in the 1800s, and how it affected the United States. With this Spanish-translated book, readers will discover topics such as Ellis Island, Angel Island, and assimilation. Primary source images, fascinating facts, a glossary, and other features keep students engaged and help them better understand the social studies content.

Five and counting! So far, astronomers have discovered five dwarf planets in our solar system. Pluto, which was once thought of as the ninth planet, is today classified as a dwarf planet. This book looks at the current dwarf planets, characteristics, size, and orbital patterns, as well as the three rules scientists follow to characterize these tiny, round space objects. Every day new discoveries are being made. Who knows how many dwarf planets we will find in the future! This book will allow students to understand that patterns in the natural world can be observed, used to describe phenomena, ...

Cada cuaderno tiene 64 páginas y están pensados para trabajarlos durante todo el curso pues las actividades que contienen son reflejo de los contenidos que se abordan en primer curso. Cada una de las páginas contiene tres o cuatro actividades, numerando las actividades por página. Las actividades están planteadas de forma progresiva, en orden de dificultad creciente, de manera que las actividades que figuran al principio del cuadernillo son para trabajarlas en los comienzos del curso, a medida que éste avanza se trabajarían actividades de páginas intermedias y al final de curso...