Experimentos sencillos sobre el tiempo

Fun and lovable illustrations offer encouragement and celebrate dreams for girls who know deep down they have what it takes to achieve anything they want.

CADENA HUMANA, novísmo poemario del Nobel irlandés Seamus Heaney, es, sin duda, la culminación de su obra. Esto significa, simplemente, que haya alcanzado una meta trazada, deseada, soñada, avizorada, calculada o labrada con suma delicadeza y esfuerzo. Además de lo anterior, el autor ha conseguido ahora, en particular, demostrar una notable congruencia con lo que siempre ha pensado, sentido, dicho. Nunca se ha cansado de insistir en que la forma es tanto el ancla como el barco, es decir, debe lograr la perfecta armonía con lo expresado en el poema. En Cadena humana no hay una estructura ...

Learn how ornithologists are using modern technology to help migratory birds. Created in collaboration with the Smithsonian Institution, this Spanish Informational Text builds reading skills while engaging students' curiosity about STEAM topics through real-world examples. Packed with factoids and informative sidebars, this Spanish book features a hands-on STEAM challenge that is perfect for use in a makerspace and teaches students every step of the engineering design process. Make STEAM career connections with career advice from actual Smithsonian employees working in STEAM fields. Discover...

An introduction to the educational background, equipment, clothing, and various duties of a construction worker.