El área de tecnología en Secundaria

Three Puerto Rican stories include the title story, which represents the land's indigenous Tainos; the tale of la Guinea, which is rooted in the nation's African culture; and la Mula's tale, a story of Spanish origin.

Sergio deberá conocer el verdadero terror para resolver el misterio de unos horribles asesinatos, comprender su destino, y, a la vez, salvar su propia vida. Visita nuestro blog "http://www.elladooscurooceanotravesia.blogspot.com

Imagine traveling at half the speed of a jet plane without ever leaving the ground! Students will discover the technology that makes such speeds possible, from special tracks and safety precautions to aerodynamically designed trains. What are the limits to the speed of trains? What imposes those limits? Students also will read about the future of passenger train travel, from flying trains to trains that use huge magnets to levitate inches or centimeters off the track. Some trains safely reach speeds of more than 200 mph!

Stem Technology Is A Very Important Topic In Today's World And This Book Will Allow Students To Learn More About Atoms, Molecules, And How Different Temperatures And Situations Affect Them. It Also Introduces Them To The Periodic Table Of Elements And How Even Today More Elements Are Being Discovered And The Periodic Table Continues To Grow.