Montaje mecánico en instalaciones solares fotovoltaicas

Describes jet-powered hydroplane boats, including information on their design and speed. Written in English and Spanish.

Oceans cover 70 percent of the Earth's surface, providing students with a variety of plant and animal life to learn about. An ocean biome includes the saltwater below the waves and everything on, above, and near the surface. Students will also learn about the beach, tides, cliffs, bays, coastlines, coral reefs, and tide pools in this Spanish-translated title.

With every new feat, there is at least one big failure. Learn about some of the biggest technological feats and failures in human history in this fascinating, Spanish-translated nonfiction title that allows readers to discover some of the technological innovations that have made life easier. Featuring detailed images, charts, and graphs, informational text, and intriguing facts, children will be engaged and captivated from cover to cover! This 6-Pack includes six copies of this title and a lesson plan.

Este libro explica a los más pequeños los fundamentos del arte rupestre, centrándose en las pinturas prehistóricas de la cueva de Altamira, en Cantabria, con un espléndido texto del divulgador científico Jorge Wagensberg y las ilustraciones de Munn.