Haciendo Formas

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. This 6-Pack includes six...

Learn how prosthetic devices and 3D printing have helped injured dogs, cats, elephants, and dolphins! This Spanish STEAM reader builds literacy and critical thinking skills through real-world examples and features a hands-on lab activity.

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?).

El libro ilustrado de Alexander von Humboldt, el héroe perdido de la ciencia y padre de la ecología. Alexander Humboldt fue un intrépido explorador y el científico más famoso de su época. Su agitada vida estuvo repleta de aventuras y descubrimientos: escaló los volcanes más altos del mundo, remó por el Orinoco y recorrió una Siberia infestada de ántrax. Capaz de percibir la naturaleza como una fuerza global interconectada, Humboldt descubrió similitudes entre distintas zonas climáticas de todo el mundo, y previó el peligro de un cambio climático provocado por el hombre. En este ...