Ondas sonoras y la comunicación (Sound Waves and Communication)

It was September 14, 1814, and America and Great Britain were at war. Frances Scott Key watched from the deck of a British ship, where he was being held captive, as cannons exploded around them. After 25 hours, the fighting ceased and Key peered through the clearing smoke, looking for some sign as to the outcome of the battle. Was the American flag still flying? His wartime experience inspired Key to write a poem, which was later set to music and became America’s national anthem. This book tells the story of the inspiration behind our national anthem, which helped transform the flag into a...

Biography Of Marie Curie, Her Discovery Of Radium And Polonium And Her Noble Prize Win For Physics And Chemistry.

Hop on that big red truck for a real adventure! Being a firefighter takes a lot of hard work. Early elementary readers learn about the important responsibilities it takes to be a firefighter--from the fire equipment to living in the fire station. With vivid photos and images, a timetable of firefighting history, informational, Spanish-translated text, and intriguing facts, this book will have readers engaged and eager to learn all about this stimulating occupation. This 6-Pack includes six copies of this title and a lesson plan.

Cumpleaños feliz, de Roxana Popelka, es una antología de poemas escritos y publicados a lo largo de veinte años (1989-2009). En ella reúne una colección de textos con múltiples registros e interpretaciones que ha ido trazando desde 1989. Desde los poemas postmodernos de su primera etapa (“Pesadilla Roja”, “Caballos de carreras”); pasando por los textos aforísticos (“Moscas”, “No hay nada que recordar”); hasta los más alejados de las convenciones poéticas y conscientemente políticos de su tercera etapa (“Pequeñas comodidades”, “Mis vecinos”). Por último,...