Los estados de la materia — Los gases

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.

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.

Land has many different characteristics. It can be hilly, rocky, grassy, narrow, and dry. Or, it can be flat, smooth, sandy, wide, and wet! This Spanish book introduces students to the concept of landforms. With images that are easy to identify and clear, simple sentence structures, this science reader simplifies scientific concepts for young students as they improve their reading skills. A fun and easy science experiment and Your Turn! activity provide more in-depth opportunities for additional learning. Nonfiction text features include a glossary and an index. Engage students in learning...

Ao 1977: Kang Chol Hwan vive con su familia en un barrio acomodado de Pyongyang. Tiene nueve aos. Sus abuelos son favorables al rrimen de Kim Il Sung. Un da su abuelo, que incluso ha donado su fortuna al partido, desaparece. Poco despus, el resto de la familia es detenida y enviada a un campo de concentracin sin ms explicaciones. Comienza un calvario que durar diez aos: trabajos forzados, vigilancia continua, humillaciones, castigos y, sobre todo, hambre, fro y enfermedades. Unos aos despus de ser puesto en libertad, y ante la amenaza de ser detenido nuevamente, Kang Chol Hwan huye a China y...

One of the skills employers want most in new hires is the ability to speak well. Public speaking can not only advance a person in almost any career but can also help an individual do better in school as well. Following the English Language Arts standards for Speaking and Listening, this book teaches readers why public speaking can be such an effective tool, how to craft a powerful speech, and how to overcome one of the most common problems people have with talking in front of a crowd�stage fright.

Lamberto decide que debe comenzar a realizar buenas acciones el primer día de las vacaciones de Navidad. Observa y curiosea a todos y todo lo que le rodea. Si algo no entiende, pone en funcionamiento su imaginación, aunque siempre acaba enredando las cosas.