Ejercicios de Caligrafía 3° de Primaria

Discover how the butterflies colors are made up of, how they eat, and how they become the beautiful insect you see today

Many insects hatch from eggs and molt several times as they grow bigger. Others, such as butterflies, undergo a complete metamorphosis. A common science curriculum topic, insect life cycles may be confusing because of these differences. However, this book breaks down these cycles into easy-to-understand steps in both accessible language and colorful diagrams readers can turn to for review again and again. The most important vocabulary needed to talk about insect life cycles is further explained in fact boxes and an extended glossary.

The sun is responsible for all life on Earth, but what exactly is it? Our star is an amazing force that can be as dangerous as it is important. From solar flares to the threat of blowing up altogether, the sun is one of the most interesting things in our solar system. Readers take a trip to the sun to see how it works and exactly what it is made of. They’ll learn about the life cycle of a star and see just how long we have until we have to find a new planet to call home. Don’t worry, they’ll be happy to learn that (hopefully) we have millions of years left!

«Decir a quiénes y para qué se destina es dar un libro la mejor definición. Éste se ha escrito para el público no especializado en lingüística, con objeto de informarle breve y claramente de lo que se sabe acerca del origen de las palabras castellanas comúnmente conocidas por la gente educada. He pensado, pues, en cuatro tipos de lectores: estudiantes de todas las disciplinas, aunque acordándome de que los de ciencias humanísticas y filológicas lo emplearán, naturalmente, más que otros; extranjeros cultos que tratan de adquirir del castellano un conocimiento algo sistemático,...