El perro en la niebla

Readers will set their eyes to the night sky in this fascinating book about astronomers. This volume is a perfect combination between STEM and career guidance as it introduces readers to the different ways astronomers use science, technology, engineering, and math in their work every day. Readers will love learning about celestial bodies and space phenomena, as well as the different processes and equipment astronomers use to observe, collect, and analyze data. This book also covers the steps a person can take to become an astronomer. The curriculum-based information in this book is conveyed...

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.

Aquí encontrarás los mejores chistes, que te harán reír durante horas y con los que serás el rey de la fiesta. ¿Sabes qué es exactamente un segundo? ¡Pues el tiempo imprescindible para contar un chiste corto y que todos tus amigos pasen horas llorando de risa! ¿Qué tienen en común un autobús de jubilados, un niño faquir y dos vacas locas? ¡Pues que están todos dentro de este libro! Aprovecha los silencios incómodos para demostrar tus dotes de humorista y convertirte en el rey de la fiesta. Tu único reto será que dejen de troncharse para que tú puedas contar el siguiente...

Mathematics constitutes ideal material for exercising the art of learning and thinking. For this it is necessary that the classroom has a stimulating atmosphere which requires determined attitudes and beliefs. The book combines theory and practice and responds to questions such as these: to think in the mathematics class? on what does the knowledge of solving problems really consist of? what are the beliefs and which are the most common ones among the students? how to diagnose, evaluate and, in some cases to modify, the systems of beliefs of the pupil?).