Continentes de la Tierra (Earth’s Continents)

This magnificent book uses beautiful photography to help young children understand why some oceans are warm and some are cold, which kinds of plants and animals live in oceans, and how the bodies of ocean animals are built to help them glide through water. Children will be delighted by the images of seals, penguins, polar bears, dolphins, and more.

In order for any democracy to function well, understanding how and when to compromise is a necessity. This book introduces students to how compromise makes governing possible. Using examples of how compromise works in their own lives, students will gain a better understanding of how compromise work on a larger level. Conversely, readers will also learn that compromise may be the wrong course of action in some situations and that some issues are of such critical importance or high moral worth that standing firm is appropriate.

María Sklodovska, conocida años más tarde como Marie Curie, nació en Varsovia en el seno de una familia de escasos medios. Mientras su infancia transcurrió en la Polonia ocupada por los rusos, de joven logró viajar a París para estudiar física y matemáticas, y allí conoció al físico Pierre Curie. Comienza entonces, en un pequeño cobertizo, una de las grandes aventuras científicas de todos los tiempos. Gracias al esfuerzo, la perseverancia y el compromiso con la ciencia, descubrirá el radio, que posee propiedades terribles, pero que, sabiamente dirigido, puede ayudar a curar el...

"It's easy for superpowered crimefighters to turn invisible and sneak up on bad guys. What about real crimefighters? Find out how scientists are using technology to make things disappear before our eyes. Now in Spanish!"--