Experimentos con la luz

Discusses the various facets of the fall season, including activities and celebrations, through simple questions and answers.

What’s the difference between a seal and a sea lion? These “second cousins” of the sea look similar, but there are many ways to tell these creatures apart. From ear shape to the noises they make to communicate, seals and sea lions are amazing creatures with both shared features and many truly unique attributes. They both share an ocean habitat, but when readers take a closer look, it’s easy to discover how they each fight off predators, mate, and raise their young in different ways. Captivating full-color photographs help to bring these marvelous mammals to vivid life.

Bridges are a big part of how people get from place to place. But how do they work and how are they built? In this engaging text, readers will explore these important engineering marvels that link places divided by water. Along the way they’ll learn how to build their own model bridge with a step-by-step guide accompanied by full-color photographs of each step. Accessible text illuminates the science behind every span we drive over—and sometimes under!

Antologia de textos d'autors d'arreu del món, per motivar la lectura i desenvolupar la comprensió lectora. Al final de cada lectura es planteja un treball lector estructurat en aquests epígrafs: - Comprueba que lo has entendido todo - Descubre palabras nuevas - Inventa historias - Comparte ideas