Uruguay

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.

Simple text and photographs describe dragonflies, including their physical characteristics, behavior, and life cycle.

Rights are things that make life fair for everyone. But sometimes people are treated unfairly. When this happens, we have to stand up for what is right. We have to become civil rights champions! This Spanish nonfiction book will teach students about civil rights, and introduces them to new vocabulary terms and concepts. Important text features include a glossary, index, and table of contents to engage students in reading as they develop their comprehension, vocabulary, and literacy skills. The Reader's Guide and culminating activity require students to connect back to the text as they develop ...

El mundo natural es un lugar extraño donde ocurren las cosas más insólitas y sorprendentes. Récords, curiosidades y extravagancias reunidas por temas: botánica, animales salvajes, domésticos, acuáticos, reptiles, insectos, aves, dinosaurios y fenómenos naturales, para enterarse de que el sauce enano no pasa de los 6 cm de altura, que los dientes del hipopótamo pueden llegar a medir medio metro, que el camello puede beber hasta 150 litros de agua de una sola vez, que el cocodrilo puede aguantar la respiración bajo el agua una hora... ¡lee y descubre!