Los estados de la materia — Los gases

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 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.

Elementary readers will get a look into space exploration as they move through this fascinating nonfiction title that has been translated into Spanish. Readers will discover galaxies like the Milky Way, the effect gravity has on the inner and outer planets, comets, asteroids, constellations, and what measures scientists are taking to learn more about the vast body of the universe and more, including the Hubble Telescope and the Mars Rover. With vivid images, intriguing facts, informational text, a glossary, and a list of helpful websites, this text encourages readers to discover what they...

Our world is filled with lots of stories. And, some of the greatest stories are the ones that are captured on film! But, how well do we know the people who bring these films to life? Take a behind-the-scenes look at some of today's leading filmmakers and their journeys to success. These filmmakers work hard to include a variety of voices in their films. Learn about Hollywood's finest storytellers while learning how to add and subtract mixed numbers! This Spanish nonfiction book combines math and literacy skills and uses everyday examples of problem solving to teach subject area content. The...

Helps students successfully pass written and oral examinations, offering techniques for memorizing, creating, and summarizing all kinds of texts.

¿Por qué alguien tan inquieta como Aída puede permanecer sentada escuchando ópera? En El misterio de la ópera, sus amigos Pablo, Edu y Winnie lo comprenderán después de asistir a los ensayos de La flauta mágica en el Teatro de la Ópera, al que acudirán para resolver el misterioso caso de un anillo robado.