Los estados de la materia — Los gases

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.

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.

Readers will learn all about World War I, or the Great War, in this appealing Spanish-translated book that highlights how the war began in Europe as a military rivalry between France and Germany. The intriguing facts, engaging sidebars, and supportive text work in conjunction with the impressive images and colorful scrapbook layout to teach readers about such WWI topics as neutrality, alliances, propaganda, liberty bonds, communism, and how General John Pershing led Americans in the war.

Esta obra explica las principales habilidades matemáticas que permiten plantear y resolver situaciones matemáticamente. En ella se ha dado mucha importancia a la representación de las ideas matemáticas (dibujos, gráficas, tablas, esquemas...) porque ayuda a comprender y a resolver todo tipo de situaciones. Los temas tienen un carácter transversal, de modo que los aprendizajes puedan aplicarse a muchas situaciones diferentes. No obstante, están agrupados según los bloques curriculares habituales. Se ofrecen muchos ejemplos de aplicación de las matemáticas y se describen herramientas...

"Esta delicada historia enfoca la relación entre dos niñas que se encuentran en un campamento veraniego y describe la cálida amistad que se desarrolla entre ambas pese a que una de ellas tiene el síndrome de Down"--P. [4] of cover.

This selection of riddles is just right: not too hard, not too easy, and all "dressed up" with beautiful illustrations.