Cynthia Ann Parker

Do you know why there are thirteen stripes and fifty stars on the American flag? Or how the American flag inspired Francis Scott Key to write "The Star Spangled Banner?" Find out the answers to these questions and more in The American Flag.

Following in his father’s footsteps, young Michael was off and running on the soccer field by the age of eight! Even though he was one of the smallest players, he was also one of the toughest. He was not afraid to get in there with the bigger players and grab that ball. He scored his first hat trick at age eleven and has been going ever since. An early re-injury took him out of the 2006 World Cup, but Michael Owen is still running strong and amazing soccer fans all over the world.

Este libro de Biología y Geología esta dedicado a los alumnos de 1o de Bachillerato, su contenido esta dividido en seis bloques temáticos: La geología y la biología como ciencias naturales, Estructura y dinámica de la Tierra, Los materiales de la Tierra, Uniformidad y diversidad de los seres vivos, Mantenimiento de la vida y Perpetuación de la vida.

Most of the Earth's changes happen over millions of years, but earthquakes can force significant changes to the land in just a few moments. Readers will learn the science of plate tectonics and its role in the development of earthquakes around the globe. They will also learn that not all rocks are created equal. In fact, rocks are all different ages! This Spanish-translated book concludes with images of the damage and destruction that earthquakes can cause.