Unidades de carga en el transporte

How do you get from place to place every day? Well, believe it or not, people travel in all sorts of ways. From bikes, cars, subways, escalators, and even on animals and tramways, transportation around the world all depends on where you live and where you need to go. Get ready to learn the fascinating ways kids around the globe stay moving! This title will allow students to ask and answer such questions as who, what, where, when, why, and how to demonstrate understanding of key details in a text. • Text based questions • Bold keywords with picture glossary • Multicultural • World map

Colorful photographs and English and Spanish text teach children the names for some of the parts of the human body they can see. On board pages.

How do we know when it's time to eat? Sometimes, it's because we smell something yummy cooking! Early readers dive nose-first into the world of the smells around them, including bad smells like a garbage dump or good smells like apple pie. Accessible language and strong picture-text correlation introduces readers to all of the things the nose knows!

¿Qué es un “experimento mental”? Como nos dice Martin Cohen, «al igual que los que se realizan en el laboratorio, son pruebas que se conciben con el fin de explorar (o de destruir) las intuiciones que tenemos sobre el funcionamiento del mundo». Este libro imprescindible para todos los amantes del saber, desde los científicos a los filósofos, recopila los 26 experimentos de esta clase más interesantes realizados a lo largo de la historia. Y no es poca sorpresa, para empezar, enterarnos de que toda la ciencia moderna se sustenta sobre los modestos cimientos que establecieron media...