Colonización conflictos en el oeste

Diamonds and salt are both minerals, but diamonds are more rare than salt. Curious readers will learn what physical and chemical conditions must be present for minerals to form. They'll discover how minerals are identified and how they are used in daily life. Informative and interesting text presents readers with this science content in a fun way. A graphic organizer shows how different minerals are identified and fact boxes provide readers with exciting supplementary information.

La llegada a Pueblo del gigante Dante, atraído por la fama de las pizzas del restaurante Bru-Hut, va a desencadenar una sorpresa extraordinaria. El gigante ha sufrido un ataque de ira, se ha puesto a destrozarlo todo y, antes de caer desmayado, ha soltado una terrible flatulencia... Cuando Willy, Vegetta y las mascotas, que estaban disfrutando de unas merecidas vacaciones, llegan a Pueblo, encuentran que todos sus habitantes han perdido también el conocimiento. Todos menos Ray, que tiene una ligera pista de lo que ha podido suceder. Una vez más, el equipo está dispuesto a darlo todo por...

"Amphibians have some of the most interesting life cycles on Earth. The metamorphosis frogs, toads, salamanders, newts, and caecilians go through has many steps that readers need to understand and remember. This book offers a concise overview of the general amphibian life cycle as well as representative examples of the many species within the animal group. Most importantly, the accessible language is paired with diagrams of the steps of the life cycle to augment readers' understanding of this topic often found in the science curriculum."

There are one, two, three, four, five dogs to walk. But there is only one dog walker. Collect data on dogs, their leashes, and their names! This Spanish math book combines math and reading skills and uses real-life examples of problem solving to teach subject-area content. The dynamic images, detailed sidebars, practice problems, and math diagrams make learning how to collect data easy and fun. Text features include a table of contents, a glossary, an index, and captions to build vocabulary and increase understanding of math and reading concepts. An in-depth problem-solving section provides...