Los estados de la materia — Los líquidos

Did you know that gases have no size or shape? Gases can become liquids when they get cold. Discover more interesting facts in Gases, 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.

Chile offers complete coverage of this fascinating country, including sections on history, geography, wildlife, infrastructure and government, and culture. It also includes a detailed fact file, maps and charts, and a traceable flag.

"Breve explicación del propósito y uso de este libro. Antes que nada, lo primero que debemos dejar bien claro es que este Libro no es, en modo alguno, un diccionario lingüístico. Esto, que a simple vista pareciera ser contradictorio, ciertamente no lo es, ya que ni por su forma ni por su contenido ha pretendido regirse por las normas o modelos tradicionales de los diccionarios que todos conocemos y usamos; y porque además, siendo radicalmente honestos, no ha sido escrito por alguien que pretenda asumirse como lingüista (por lo menos, no un lingüista como algunos que conocemos ), ni...

Civil rights leaders are people who make sure that the laws of the United States are fair for everyone, regardless of their race, religion, or gender. One of the most influential men of our time was Dr. Martin Luther King, Jr. EL DIA DE MARTIN LUTHER KING, JR.—HONRAMOS A UN HOMBRE DE PAZ is a Spanish-only edition discussing the man behind this day.

This book tells of several indigenous groups and what we know about their lives and customs based on archaeological discoveries and chronicles of the first Spaniards to encounter them. This title also contributes to the overall knowledge and understanding of these Mexican cultures, which play an important part in the history of the ancient world. Este libro cuenta cómo en Aridoamérica florecieron variados grupos indígenas. Lo que sabemos sobre su vida y sus costumbres es resultado de los descubrimientos arqueológicos y las crónicas de los primeros religiosos y militares españoles que...