Cosa de todos los días (Vol. II)

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.

Navigation instruments have changed over time. Lodestones, sunstones, and sextants helped early navigators find their way. Modern technology makes navigation more precise than it has ever been. But the roots of navigation still remain. Created in collaboration with the Smithsonian Institution, this Smithsonian Informational Text builds students' reading skills while engaging their curiosity about STEAM topics through real-world examples. It features a hands-on STEAM challenge that guides students through every step of the engineering design process and is perfect for makerspace activities. It ...

Más de 150 fotos de animalitos acompañadas de textos sencillos que te descubrirán todos los misterios de la vida silvestre.

Qué diversión tiene mamá con su pequeño. Los ejemplos sencillos de la vinculación de las madres con sus hijos ayudan a desarrollar habilidades positivas de crianza y a desarrollar familias fuertes.