Exploremos los minerales de la Tierra (Exploring Earth's Minerals)

When winter hits, many people in colder climates spend most of their time indoors. But what do wild animals do? Some animals spend winters hibernating. Beginning readers will learn what hibernation is, why some animals hibernate and others don't, and how hibernating animals prepare for their long sleep. Full-color photographs grab readers' attention and allow them to draw connections to the narrative. Readers will love learning about this mysterious, restful time in some animals' lives.

Las confesiones del joven Nern̤ es la historia del ascenso al trono de un muchacho. Desde la nięz hasta su transformacin̤ en un soberano universalmente cľebre, esta es una narracin̤ p̌ica sobre aquello que un hombre est ̀dispuesto a hacer para alcanzar el poder y, al mismo tiempo, sobrevivir

The need for speed is the motivating factor in this engaging, Spanish book. Readers learn the history of travel from the very slow to the supersonic and beyond, including everything in between. They learn and discover the factors that influence motion for all types of vehicles: land, air, and water alike. They also learn different ways to measure speed and read about energy uses for different vehicles. With greater speed comes greater risk. Readers learn how engineers are always seeking new and better ways to keep people safe as they travel faster and go farther.

A flexible suite of resources providing full coverage of the Cambridge IGCSE® Spanish as a First Language syllabus (0502) for first examination in 2015. Written by practising teachers, this workbook helps students further develop the skills acquired through the course. Practical exercises expand and enhance the materials in the coursebook, supporting students through the Cambridge IGCSE® Spanish as a First Language course.

¿Cómo ven, oyen, huelen, saborean y tocan los animales? ¿Sus sentidos son como los nuestros o son especiales? ¿Solo hay cinco sentidos en el mundo animal o hay más? Irene y Bruno tienen mucha curiosidad y quieren saber todo sobre los sentidos. Déjate guiar y acompáñalos en este viaje increíble en el que conocerás la respuesta a preguntas que quizá alguna vez también tú te hayas hecho. Incluye una guía para padres, con mucha información y curiosidades sobre los sentidos animales.