Aviones y otras aeronaves

Cynthia Ann Parkers family moved to Central Texas when she was about nine years old. A year later, a large force of Comanche warriors attacked Fort Parker and seized Cynthia Ann and four other captives. The other four were eventually released, but she lived among the Indians for 25 years, immersed in the Comanche way of life. Though given a number of opportunities to go back to her white family, she always chose her life with the Comanche, choosing instead to stay with her husband and children. She eventually returned to white society as an adult.

"A finales de los años setenta, un muchacho perteneciente a la clase media salvadoreña trata de introducirse en los movimientos sindicalistas locales con la intención de conocer el incipiente movimiento revolucionario. Allí conoce a una guapa trabajadora de una fábrica textil y se propone enamorarla. Sin embargo, la situación se recrudece en El Salvador. Las refriegas sindicales devienen en combates contra el orden militar y la vorágine termina arrastrando a todo el mundo a territorios y rupturas que nunca imaginaron. Se ha desatado la guerra civil salvadoreña. Róger Lindo, con la...

Molecules and atoms can take the form of a solid, a liquid, or a gas. Each state of matter has its own properties. Together, these three states of matter make up most everything in the universe! Learn all about mixtures and solutions with this Spanish science reader that brings the power of science and informational text to students at a level they can understand. Introduce students to STEM topics and new concepts and vocabulary terms like solvent, polarity, compound, and solubility with this nonfiction book that is aligned to state and national standards. The leveled text supports students...

This starter volume uses everyday examples such as a baseball and a beach ball to demonstrate the contrast between hard and soft objects.