Continentes de la Tierra (Earth’s Continents)

Examines the nature of inclined planes and wedges, how they can reduce the amount of force necessary to perform work, and ways in which they are used.

In the 1500s, European explorers arrived in Texas in search of gold and glory. The Spanish were the first Europeans to arrive. Readers get to discover early Texas history in this fascinating nonfiction book that uses colorful images, intriguing facts, supportive text, and an accommodating glossary, index, and table of contents to introduce readers to various explorers such as Christopher Columbus, Cabeza de Vaca, Francisco Vazquez de Coronado, and La Salle. Children will be excited and engaged as they read through to also learn about the many American Indian tribes of the past, including the...

In the middle of the 1830s, Texans fought against the Mexican government for its independence. During the Texas Revolution, many leaders emerged, such as Sam Houston, Lorenzo de Zavala, William Travis, Francita Alavez, Sidney Sherman, Susanna Dickinson, James Bowie, and Juan Seguín. This captivating biography has been translated into Spanish and allows readers to learn about the incredible accomplishments of these people and what they did to make an impact on the Texas Revolution. Featuring alluring images, engaging facts and sidebars, supportive text, and a glossary and index, this book...

Todos conocemos la obra de Vincet Van Gogh, pero ¿Sabes cómo fue que se inició en el arte? En una pequeña ciudad en Holanda vive el travieso Vincent Van Gogh, un pelirrojo con las mejillas llenas de pecas al que le encanta meterse en problemas. Junto a su inseparable hermano Theo, pasa sus tardes buscando nidos y mirando las estrellas, descubriendo una manera de ver el mundo que hoy puedes encontrar en pinturas colgadas en museos de muchos países. Aquí conocerás cómo fue la niñez de este famoso pintor impresionista y cómo inició su camino para convertirse en uno de los artistas...