Lewis y Clark y la compra de la Luisiana (Lewis and Clark and Exploring the Louisiana Purchase)

Have you ever flown on an airplane? In this title, early readers learn how an airplane works and what to expect if you fly on one. Included are a picture glossary and websites to visit.

Claudia Perlo cita autores objetados o directamente ignorados en la comunidad científica, toma ideas de diferentes saberes y las hace propias, las usa como metáfora, las entremezcla para expresarse en una prosa clara donde el origen disciplinar pierde el sentido para converger en un río que corre, que cambia, que no busca llegar sino moverse. Plantea a la investigación científica como un conocimiento que debe circular, saltando de disciplina en disciplina, saliéndose de los laboratorios y de las oficinas para entremezclarse, ensuciarse las manos y dialogando encontrar respuestas...

A trip to Comic-Con becomes an adventure in learning division! Join Zach as he travels to San Diego to attend his very first comic book convention. Along the way, learn about the history of comic books and comic book conventions, and meet the dedicated fans who make Comic-Con one of the most widely attended comic book conventions in the world. This Spanish book combines math and literacy skills, and uses real-life examples of problem solving to teach subject area content. The full-color images, math charts and diagrams, sidebars, and practice problems make learning division relevant and fun....

Discusses the physical characteristics, feeding and mating behavior, interaction with humans, and habitat of whales.