Caramelos pegajosos (Pulling Taffy) ebook

Learn how prosthetic devices and 3D printing have helped injured dogs, cats, elephants, and dolphins! This Spanish STEAM reader builds literacy and critical thinking skills through real-world examples and features a hands-on lab activity.

This Spanish book introduces students to the concepts of solids and liquids. 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 with this dynamic text!

Ice cream is a solid. But when it melts, it becomes a liquid. Solids can change to liquids and back again by melting and freezing. Read this Spanish-translated book to learn what happens when heat and cold and solids meet.

Sharing is a social skill all children need to learn. This book presents sharing as a positive choice, then describes four ways to share. It points out that sharing goes beyond things: children can also share their knowledge, their creativity, and their time. What if they don't want to share, or someone won't share with them? These topics are covered, too. Concrete examples and reinforcing illustrationshelp children practice sharing, understand how and why to share, and realize the benefits of sharing.

Más que un libro de viajes, el presente texto es un libro sobre los viajes, sobre cómo y por qué puede alguien llegar a hacerse etnólogo, y sobre el modo en que se integran las aventuras del explorador y las investigaciones del científico hasta llegar a formar la experiencia propia del etnólogo. El autor trata de analizar estas cuestiones cotejando sus recuerdos y proponiendo un recorrido que no renuncie a los pintorescos detalles, pero que a la vez los sitúe en una perspectiva más amplia.

¿Y si el universo no pesara nada y la materia no existiera realmente? Lo que parecería ser una duda legítima para un erudito místico de los Vedas Indios es, en cambio, un resultado embarazoso de la aplicación de la Relatividad Restringida a las observaciones obtenidas por un grupo de astrofísicos, que han medido la radiación cósmica de fondo de nuestro universo. En los albores del nuevo milenio, el satélite WMAP, más allá de proporcionarnos una medida del cosmos, nunca antes obtenida, ha creado bastantes quebraderos de cabeza respecto al concepto de universo, en el que todavía hoy ...