La Campana de la Libertad (The Liberty Bell)

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.

This book tells of several indigenous groups and what we know about their lives and customs based on archaeological discoveries and chronicles of the first Spaniards to encounter them. This title also contributes to the overall knowledge and understanding of these Mexican cultures, which play an important part in the history of the ancient world. Este libro cuenta cómo en Aridoamérica florecieron variados grupos indígenas. Lo que sabemos sobre su vida y sus costumbres es resultado de los descubrimientos arqueológicos y las crónicas de los primeros religiosos y militares españoles que...

Steve Jobs, adoptado en la infancia por una familia en San Francisco, tuvo una vida llena de experiencia en solo cincuenta y seis cortos años. En este ¿Quién fue ... ? biografía , los niños aprenderán cómo su obsesión con las computadoras y la tecnología a una edad temprana lo llevó a co-fundar y dirigir Apple, además de convertir Pixar en un estudio de animación de vanguardia . Jobs dejó la universidad antes de graduarse y tomó medidas no convencionales en su camino hacia el éxito, pero inspiró a los mejores y los más brillantes que fuera con él y «cambiar el mundo».

Born in Warsaw, Poland, on November 7, 1867, Marie Curie was forbidden to attend the male-only University of Warsaw, so she enrolled at the Sorbonne in Paris to study physics and mathematics. There she met a professor named Pierre Curie, and the two soon married, forming one of the most famous scientific partnerships in history. Together they discovered two elements and won a Nobel Prize in 1903. (Later Marie won another Nobel award for chemistry in 1911.) She died in Savoy, France, on July 4, 1934, a victim of many years of exposure to toxic radiation.

Practice standard measurement at a farmers market! This engaging title teaches young readers how to measure common food items by their height, circumference, and more, improving their mathematical and STEM skills! Vibrant images, practical examples, and simple mathematical charts help children use standard measurements, showing them how they can use these measurements in their daily lives.