Viaje al Sol (A Trip to the Sun)

Tome un viaje a Cuba tropical y aprender sobre la historia y la cultura de este país caribeño. Este texto también incluye fotografías de color y preguntas de pensamiento crítico que traen el país de Cuba a la vida de los lectores jóvenes. Take a trip to tropical Cuba and learn about the history and culture of this Caribbean country. Now in Spanish, this carefully leveled text also includes full-color photographs and critical thinking questions that bring the country of Cuba to life for young readers.

¿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...

Snowflakes are one of nature's most fascinating wonders. Learn how snowflakes form with this Spanish STEAM reader that builds literacy skills and features a hands-on STEAM challenge.

Students will gain a deeper understanding of the Cold War by delving into major social studies topics in this project-based examination. The volume presents a series of broad questions touching on major themes in the social studies curriculum. Each question is accompanied by several paragraphs examining that question in the context of the Cold War, as well as a detailed project that prompts readers to think critically and present their findings or opinions in a particular format, such as a poster with side-by-side comparisons, a persuasive essay, or a class presentation.