El Patriotismo

Did you know that a piano is both a keyboard instrument and a string instrument? A piano has more strings than keys. Discover more intriguing facts in Pianos, a Musical Instruments book.

La solidaridad y la amistad serán las únicas fuerzas capaces de derrotar a los tres gordinflones, glotones sin corazón que oprimen a sus súbditos desde un magnífico palacio, custodiados por el ejército y rodeados de una corte de aduladores. Los tres gordinflones que narra las inverosímiles peripecias de un sabio, un acróbata, una niña y un armero , con sus ya incontables ediciones, se convirtió en el mayor éxito de Yuri Olesha y es hoy un clásico de la literatura infantil soviética de nuestro siglo.

Presenta varios experimentos en cronometría. Para estudiantes de primaria (grados 4-6) y de secundaria (grados 7-9).

Learn more about the renowned British scientist, professor, and author who spent his entire career trying to answer the question: "Where did the universe come from?" Stephen Hawking was born exactly three hundred years after the death of the scientist Galileo, so maybe it was written in the stars that he would become a famous scientist in his own right. Although he was diagnosed with a neurological disease at age 21, Stephen did not let the illness define his life. Known for his groundbreaking work in physics, and identified by his wheelchair and computerized voice system, Stephen continued...

How does a liquid become a gas? Through evaporation! Evaporation helps make puddles disappear after it rains. In this Spanish-translated book, learn all about evaporation and how it happens. This 6-Pack includes six copies of this title and a lesson plan.