Ser un superhéroe Being a Superhero

What is matter and where can it be found? Everything in the world is made of matter, whether it is a solid, a liquid, or a gas. Important ideas about matter such as volume, mass, and how matter changes state are conveyed through a series of easy-to-do experiments.

MANUAL FOR COMMUNITARIAN SOCIAL WORK - This book is a basic document for students and professionals of the different disciplines of Social Sciences related to community action: social workers, socio-cultural animators, social educators, psychologists, etc., who want to develop their professional activity in this collective ambience, professionals who believe in what they do and why they do it, and who are willing to accompany the community and its members in a process of change and growth.

Un lápiz que se dedica a realizar garabatos en todas partes, huye de una goma que lo persigue para borrar sus garabatos, atónita ante el hecho de que el lápiz no sea capaz de expresarse escribiendo o dibujando cosas bellas. La goma decide visitar al sacapuntas y exponerle su rechazo al hecho de que el lápiz no haga buen uso de su poder.

This book's attractive combination of excellent color photographs and detailed illustrations will captivate young readers and hold their attention as they learn all about the animal kingdom. The child-friendly text highlights details that children are especially interested in to provide a thorough introduction to the major animal and insect groups. Text copyright 2004 Lectorum Publications, Inc.