10 cosas que puedes hacer para ahorrar electricidad

NOS ENCONTRAMOS ANTE una realidad social volátil y vertiginosamente cambiante, que nos obliga a una renovación permanente de ámbitos y situaciones que hasta ahora parecían relativamente estables, o bien evolucionaban de una forma lenta y más o menos controlada. El rápido desarrollo tecnológico y las nuevas y variadas formas de comunicación en las que estamos inmersos están configurando y reclamando un nuevo espacio educativo, un replanteamiento de las finalidades de la educación y la enseñanza. Las instituciones educativas no pueden permanecer al margen de esta realidad social por...

California became a territory in the United States when the Treaty of Guadalupe Hidalgo was signed in 1848. That treaty ended the Mexican War. Several days before its signing, gold was discovered at Sutter’s Mill in what is now Sacramento. The non-Native population of the territory was less than one thousand in 1848, but the gold rush increased that number to one hundred thousand by the end of 1849. The gold rush not only made many people wealthy, it brought ecologic devastation while speeding up California’s statehood. This book richly explores this interesting history.

Snouts, spines, or scutes help many animals survive. Information on why is contained in this engaging book.

El libro del pan (The Bread Book) helps Spanish readers strengthen their multiplication, division, and fractions skills while learning interesting facts about bread. Students will learn about wheat grain, nutrition, and bakeries with this nonfiction math reader. This classroom resource includes a glossary, engaging images, mathematical diagrams, and a fun historic timeline of bread to help students develop their math and reading skills.