Aves

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.

Desarrollar las facultades cognitivas generales de los niños La influencia de la obra de Piaget Adquirir los conocimientos y los métodos de la ciencia Científicos y educación científica El debate conceptos versus procedimientos El nature study Aprender a investigar e investigar para comprender Desarrollar la comprensión científica La ciencia: una actividad que genera conocimiento El ámbito de los datos, los hechos y las evidencias Observar Experimentar Analizar datos y establecer conclusiones Las habilidades de investigación de los niños y niñas Las explicaciones científicas como...

Christopher Columbus most likely wasn’t the person to discover the Americas. He wasn’t even the first European to do so! Despite that, his three trips to the Western Hemisphere led to many more European explorers heading in that direction. In this volume, readers familiar with Columbus’s travels on the Nina, Pinta, and Santa Maria can learn who Columbus was beyond his travels. Supported by full-color and historic images, interesting main content turns what readers think they know about the life of Columbus on its head while expounding on an important period in the history of the world.

Describes the U.S. Army Rangers, including their missions, vehicles, weapons, equipment, and duties. Written in English and Spanish.