Los estados de la materia — Los gases

Did you know that liquids take the shape of their containers? If liquids get hot, they can become gases. Discover more interesting facts in Liquids, part of the States of Matter series of EYEDISCOVER books.

Did you know that baby butterflies look like worms with legs? Caterpillars turn into butterflies inside a shell. Discover more about these flying insects in Butterflies, part of the Life Cycles series of EYEDISCOVER books.

Did you know that pigs are some of the smartest animals on Earth? Pigs keep themselves very clean. Discover more about these farm animals in My Pig.

Cathryn Deen, considerada la actriz más bella del mundo, sufre un accidente de coche mientras es perseguida por un paparazzi. Desfigurada, cínica y con el corazón roto, se refugia en casa de su abuela, perdida en los Apalaches. Thomas perdió a su mujer y a su hijo en el atentado de las torres gemelas. Desde entonces ha luchado contra el alcohol y la desesperación y piensa que nada ni nadie puede devolverle el sentido a su vida. Hasta que conoce a Cathryn.

Though few may know his name, his achievement as the first European to discover San Diego Bay and many other areas on the California coast enshrines his name in the annals of American history. This exciting volume tells Cabrillo's story from an unknown soldier to the intrepid conquistador, crossbowman, landowner, shipbuilder, and explorer he became. As one of Hernan Cortes' soldiers during the conquest of Mexico and a founder of Guatemala, his actions loomed large in the future of both South America and North America. By both educating and entertaining, this biography illuminates a...

La guerra que se extendió entre 1914 y 1918 fue conocida hasta el estallido de la Segunda Guerra Mundial (1939-1945) como la “Gran Guerra”, porque sorprendió a todos los contendientes por su magnitud. Comenzó siendo un conflicto meramente europeo, pero con el tiempo se convirtió en una guerra mundial en la que participaron también americanos, asiáticos, africanos o australianos y neozelandeses junto a los europeos. La guerra duró cuatro largos años en un enfrentamiento como la humanidad no había presenciado hasta entonces. Los países participantes se contaron por decenas, los...

Take a fascinating trip into the depths of Carlsbad Caverns and learn arithmetic patterns along the way. This Spanish book combines mathematics and literacy skills, and uses practical, real-world examples of problem solving to teach math and language arts content. Students will learn arithmetic patterns while engaged in reading about the various patterns that can be found in the miles of caves in Carlsbad Caverns National Park. The full-color images, math graphs and charts, and practice problems make learning math and language arts concepts easy and fun. The table of contents, glossary, and...