Federico y la Caja: Que No Era Fuerte Pero Sabia de Ciencia y de Ecologia

Los orígenes - Lo nuestro - Los códigos - Las salas - De críticos - La censura - ¿El cine educa? - Los premios - La muestra - Películas inolvidables.

There are many kinds of grass, but when most people think of this green plant, they think of the kind found in backyards and parks. Grass is like many other plants with its roots, leaves, and needs of soil, water, and sun. Young readers find out that acres of grass come from the tiniest of seeds. With this knowledge, they'll never look at someone mowing the lawn in the same way again. Full-color photographs closely correlate with the accessible narrative, which is written especially for emerging readers.

When Eco the bear realizes that his friends the bees are missing, he decides to go look for them. His journey takes him around the world where he meets 11 different characters attempting to solve some of the world's greatest problems—air and water pollution, consumerism, extinction, deforestation, global warming, hunger, lack of education, poverty, and war. Each chapter focuses on one world problem and includes activities for children to learn about the social and ecological issues involved with each. Cuando Eco el osito se da cuenta de que sus amigos las abejas han desaparecido, decide ir...

Introduction To The History Of The Spanish Missions That Were Set Up In The Southwestern United States.

Black holes are neither holes nor black. They're invisible and packed with matter! Future astronomers will find out many more fascinating facts about these space phenomena with this intriguing book. Carefully crafted text encapsulates the most important information about black holes, such as how scientists locate them and their significance in a star's life cycle. Amazing photographs support critical concepts and inspire a true appreciation of the spectacles of space.