Medida del tiempo en las carreras (Timing Races) (Spanish Version)

Este libro consta de diez unidades didácticas, cada una de las cuales se estructura de la siguiente manera: - Doble página de apertura - Desarrollo de contenidos - Dossier - Síntesis - Actividades complementarias. El contenido está especialmente adaptado para la Comunidad Autónoma de Andalucía.

Five and counting! So far, astronomers have discovered five dwarf planets in our solar system. Pluto, which was once thought of as the ninth planet, is today classified as a dwarf planet. This book looks at the current dwarf planets, characteristics, size, and orbital patterns, as well as the three rules scientists follow to characterize these tiny, round space objects. Every day new discoveries are being made. Who knows how many dwarf planets we will find in the future! This book will allow students to understand that patterns in the natural world can be observed, used to describe phenomena, ...

Biography of Elizabeth Cady Stanton, a leader in the fight for women's right to vote in the United States.

Eleven-year-old Jenny, whose family came from Russia to America to start a new life, meets the famous Russian composer on his 1891 trip to the New World and writes about it in her diary.