Porque eres mi amiga

A little girl, who accumulates germs on her hands during her busy day, defeats them by washing her hands before meals.

¿Existieron de verdad, en un tiempo lejano, los dragones voladores, los grifos dorados, los unicornios mágicos, los gigantes y las sirenas? ¿O acaso estas criaturas misteriosas son producto de la imaginación de nuestros antepasados? En las páginas de este libro nos convertiremos en auténticos paleontólogos y rastrearemos los valiosos indicios que se esconden en los fósiles de los animales prehistóricos más extraordinarios. Un recorrido apasionante para conocer más sobre los dinosaurios, paquidermos, moluscos y reptiles acuáticos que poblaron nuestro planeta hace millones de años, ...

Our solar system is made up of the millions of objects in the sky above us, including the Sun, moon, stars, and planets. This book examines the four planets closest to the Sun, known as the rocky planets. All four planets, Mercury, Venus, Earth, and Mars are described with information about their atmosphere, landscape, orbits, and Fun Facts that give additional information about each of these rocky planets! This book will allow students to use observations of the Sun, moon, and stars to describe patterns that can be predicted.

Presents a line-by-line explanation of the entire United States Constitution, in English and Spanish. Provides a Spanish translation of the Constitution, historical context and student exercises that approximate the decisions made by the Constitution's authors. Written at the fifth grade level.