Universo Hawking

There is a contest at a school to design a new playground. The students use blocks to build their models. As they build, they use three-dimensional shapes. Some students build a train out of blocks for the younger students to play on. Can you guess which three-dimensional shape they use for the train's wheels? Read to find out which design wins.

Audisee® eBooks with Audio combine professional narration and text highlighting for an engaging read aloud experience! Los delfínes son conocidos por ser juguetónes intelligentes—que más podemos aprender sobre ellos? Ahora en español, este título involucra a lectores jóvenes a medida que aprenden todo acerca estes mamiferoes del mar. Fotos de color agregan interés visual, y preguntas de consideración ayudan animar lectores durante su desarrollo de leer libros de no ficción. Dolphins are known for being playful and intelligent—what else can we learn about them? Now in Spanish,...

As the son of the Japanese consul to Lithuania, young Hiroki watched his father help many Jewish refugees escape death at the hands of the Nazis through assistance from his family and friends after their visas were denied.

A tiny cloud floating over the sea becomes bigger and darker, and as it floats over the land the people hide from it.