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.

La Segunda Guerra Mundial, la invasión nazi en Polonia, el comunismo y la persecución religiosa, la muerte de los seres más cercanos... Karol Wojtila no sólo superó los tiempos difíciles de su país, sino que su liderazgo guió, entonces como estudiante y sacerdote, y después como obispo y Papa, a toda la sociedad hacia los ideales de tolerancia y educación para la paz que necesitaba el mundo. Ideales que siguen presentes pocos años después de su muerte.

Narwhals are often called the "unicorns of the sea." But these fascinating creatures are members of the whale family. Read all about narwhals as you practice addition. This Spanish math book combines math and reading skills and uses real-life examples of problem solving to teach subject-area content. The dynamic images, detailed sidebars, practice problems, and math diagrams make learning addition easy and fun. Text features include a table of contents, a glossary, an index, and captions to build vocabulary and increase understanding of math and reading concepts. An in-depth problem-solving...

This engaging volume takes a close look at the legend of Joaquin Murrieta, the man who came to be known as the Robin Hood of Eldorado. Dynamic text tells the story of Murrieta, with plenty of exciting age-appropriate details, but also examines the complex relationship between fact and fiction in legends such as his. Interesting and informative historical background on the California Gold Rush and the role of Mexicans and Californios in the area at the time round out this fun and informative volume.

Con Pristi, el niño descubre la importancia de conocerse, con sus fuerzas y sus límites, y de construir un concepto de sí mismo que será la base de su identidad y de su deseo de realización.