Cómo funcionan las ruedas y los ejes

Storms are a fascinating topic and a great way to get young readers interested in science. This series uses simple text and dramatic, full-color photos to take students inside nature's powerful and deadly storms. Each book explains one kind of storm- what it looks like, how it forms, the damage it can do, and how people can protect themselves from danger.

Presenta varios experimentos en cronometría. Para estudiantes de primaria (grados 4-6) y de secundaria (grados 7-9).

Readers learn about the various animals that need help and what they can do to make a difference through volunteerism in this engaging book. Discover different programs and organizations that work to protect animals, animal habitats, and endangered species through vibrant images and charts and informational text. Featuring a list of helpful and useful websites, this Spanish-translated nonfiction title encourages readers to take part in animal activism in any way they can--from baking homemade dog biscuits to exploring careers that help sick or injured animals.

A step-by-step visual guide to building your own computer games using Scratch 3.0 Scratch 3.0 has landed, so stay ahead of the curve with this fully updated guide for beginner coders. Kids will love the step-by-step, visual approach that makes even the most difficult coding concepts fun and easy to understand. Coding Games in Scratch, 2nd Edition, blends coding theory with the practical task of creating exciting games. Children learn the fundamentals of computer programming by seeing how to build their own games. Coding theory is taught through practical tasks, so young programmers don't just ...

La construcciOn de las pirAmides de Egipto es uno de los sucesos mAs importantes y mAs estudiados de la historia. AsI que nos metemos en la piel del FaraOn Keops y descubrimos sus sueNos de grandeza. En una civilizaciOn en sus albores, con pocos recursos tEcnicos y muchos recursos econOmicos y humanos.