La optimización mecánica en el medio acuático

A lot of what many people know about the native groups in the northeastern part of North America comes from colonial history. The Wampanoag met the Puritans as they made their home at Plymouth. The Powhatan group of the Algonquin people had a large role in the history of the Jamestown Settlement in Virginia. However, the history of the native groups living in modern New York, Massachusetts, Ohio, Pennsylvania, Maine, and northern Virginia began long before European settlement! Readers meet several individual groups of native peoples and explore the distinguishing features of northeastern...

Antología de la fotografía marítima desde 1843. El mar como tema fotográfico de la mano de fotógrafos de todo el mundo, desde 1843 hasta nuestros días. Retratos de pescadores y de barcos, fotografías de la vida en el puerto, de mares embravecidos y de regiones polares, entre otras muchas espectaculares imágenes. Un tema impresionante, fascinante, propicio a las aventuras y a las emociones fuertes. Hubo un tiempo pasado en el que los primeros fotógrafos, por muy limitados que fueran sus materiales, acreditaron el mar como tema fotográfico. Un tema impresionante, fascinante, propicio...

Explore the lifecycle of a butterfly and learn about the transformation of caterpillars into beautiful butterflies. The connection to language arts is the rich vocabulary related to butterflies, caterpillars, and their transformations.

Storms are a fascinating topic and a great way to get young readers interested in science. This series uses simple text and dramatic, full-color photos to take students inside nature's powerful and deadly storms. Each book explains one kind of storm- what it looks like, how it forms, the damage it can do, and how people can protect themselves from danger.