Cómo Cuidar a Tu Gatito

Ofrece una explicación de las soluciones y mezclas y en qué se diferencian, así como ejemplos de mezclas y soluciones.

Diamonds and salt are both minerals, but diamonds are more rare than salt. Curious readers will learn what physical and chemical conditions must be present for minerals to form. They'll discover how minerals are identified and how they are used in daily life. Informative and interesting text presents readers with this science content in a fun way. A graphic organizer shows how different minerals are identified and fact boxes provide readers with exciting supplementary information.

A picture-book biography of St. Pedro Claver (d. 1654), a Spanish Jesuit missionary to the New World, who is the patron saint of slaves.

In 1846, travelers heading for California became trapped high in the mountains of the Sierra Nevada. Snowdrifts surrounded their shelters, and food supplies dwindled. How they stayed alive remains one of the most gruesome stories in US history. However, some facts that have come to light recently through archaeological digs will surprise even those who think they know the story. This gripping book, including maps and images of the era, tells the true account of the doomed Donner party.