Hacia Los Confines del Universo

Aircraft carriers are truly the fortresses of the sea! Students will get an inside–out view of these incredible floating cities, from how they are constructed to how they function as important parts of a country’s defense. Students also will learn about the various aircraft that are on board and the crew that keeps aircraft carriers in ship shape!

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.

Introduces equipment and devices commonly found in a science laboratory, including beakers, a hand lens, a microscope, and telescopes, and describes their use.

Éste es el camino que emprende John a la búsqueda de la isla encantada, que simboliza un deseo misterioso y dulce, y que le lleva a vivir numerosas aventuras con personajes fantásticos y una pizca de magia. Durante el viaje, John aprende de la vida y reflexiona sobre su aprendizaje, y sus reflexiones sirven a C. S. Lewis para hacer una sátira de la filosofía de la época que sigue vigente setenta años después. Elocuente, erudito y a menudo ingenioso, este relato es un clásico que no ha perdido un ápice de actualidad.