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.

Young detectives will learn data analysis and probability while they are engaged in reading about crime scene investigations. Used in the classroom or at home, this nonfiction Spanish text includes mathematical charts to help students practice calculations and become more confident in their data analysis skills. With a glossary, an index, dynamic images, age-appropriate content, and easy-to-read text, students will build their math and reading skills while they are engaged in reading high-interest topics.

20 modelos de pruebas resueltas, que contemplan las exigencias de las diversas Comunidades Autónomas, para afrontar el examen PAU. Se incluyen consejos prácticos para resolver cada tipo de pregunta y CD con pruebas reales de las últimas convocatorias.

It’s fiesta time! Cinco de Mayo is a fiesta day in Mexico and the United States. It’s celebrated on the fifth of May. This colorful holiday honors Mexico’s victory over the French army at the Battle of Pueblo in 1862. People march in parades, dance, and set off fireworks. Families enjoy traditional Mexican food and drink. Then they watch people act out the famous battle. Find out more about this joyful celebration of Mexican culture.

Una aut�ntica aventura art�stica en la que habr� que encontrar 30 retratos, escondidos en las distintas exposiciones y enmarcarlos con las pegatinas que aparecen en las p�ginas finales. Y por si esto fuera poco, habr� que buscar tambi�n a Wally, a Woof, a Wenda, al mago Barbablanca y a Odlaw, sin olvidarnos de los pasatiempos. Todo ello convierte este libro en el t�tulo m�s divertido de la serie Wally. ENGLISH DESCRIPTION Ever the globe-trotter, Waldo is eager to show you his pictures. But not so fast, you have to find them first! Enter Odlaw's Picture Gallery and admire...