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

California grew by leaps and bounds between the Gold Rush and 1900. People from different backgrounds emigrated to California from across America and around the world in search of a new life. This primary source reader focuses on immigration in California from the time of the Gold Rush to the end of the nineteenth century. Primary source documents allow students to see different points of view, and help students look at the world and current issues with a historical lens. This Interactiv-eBook builds literacy and social studies content knowledge through the use of intriguing primary sources...

Young investigators will discover what happened to their favorite playground equipment in the text, El caso del parque infantil (The Jungle Park Case). By analyzing footprints, fingerprints, and tire tracks, students will understand how useful gathering information and analyzing data are to solving problems. 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.

¿Qué opinas de que tu hermanita juegue con un libro de la biblioteca?. Descubre cómo los buenos modales ayudan a que todo el mundo pueda disfrutar de los libros prestados.

This illustrated book shows how four lads from Liverpool came to form the most popular musical group ever...the Beatles! It explains the inspiration behind some of their biggest hits and offers insight into important events happening during the time. A timeline and a glossary are included.