Cultivar plantas en el espacio

Aviones sigue la historia de Dusty Crophopper, un avión fumigador sentimental y amante de la velocidad que sueña con competir en la carrera en el aire más dura y emocionante de la historia. Solo hay un par de problemillas: Dusty no está hecho para participar en una carrera ¡y tiene miedo a las alturas! Disfruta de toda la emoción y aventura de la película Aviones, con este divertido libro en el que no solo podrás conocer la historia, sino también hacer un montón de actividades, desde sopas de letras hasta recetas de cocina. Aprenderás vocabulario, podrás demostrar que eres un...

Explains the basic science of flight, the problems of getting vehicles into the air, different types of engines, and aircraft design, and includes instructions for making aircraft models.

"Some things are so huge or so old that it's hard to wrap your mind around them. But what if we took these big, hard-to-imagine objects and events and compared them to things we can see, feel and touch? Instantly, we'd see our world in a whole new way." So begins this endlessly intriguing guide to better understanding all those really big ideas and numbers children come across on a regular basis. Author David J. Smith has found clever devices to scale down everything from time lines (the history of Earth compressed into one year), to quantities (all the wealth in the world divided into one...

A charming picture book features a busy little bird flying back and forth, carrying twigs to the cherry tree.