La tierra y la importancia del agua

Tres nuevos cuadernos para aprender de manera lúdica las habilidades esenciales que están en la base del aprendizaje de la escritura y el cálculo. Cada cuaderno, además, contiene información para los padres.

Describe el trabajo hecho en la estación de policía, el personal, los procedimientos y programs de los oficiales de policía.

Offers complete coverage of Chile, including sections on history, geography, wildlife, infrastructure and government, and culture.

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 ...