Cómo podemos utilizar la palanca?

Defines screws, explains their functions, and suggests simple experiments to demonstrate how they work.

Follows the life and career of the French scientist who proved the existence of germs and their connection with diseases.

The Uses Of Wind Energy Is The Topic Of This Book. Explains The Positive And Negative Impact This Form Of Energy Can Have On Our World.

Learn how a designer's sketch becomes the fashion we wear and how a designer uses math and geometry to make their designs successful in this fashion-filled book! Including information about the fashion industry, clothing fabrics, patterns, and textures, readers learn all about the different aspects of the fashion industry. With a glossary, index, vivid images, informational text, and interesting facts, this Spanish-translated nonfiction book with engage students from beginning to end.

In this illustrated book for children, readers will discover information about animals and can lift the flaps on the pages to find even more.

Learn how scientists channel energy from the sun to power awesome innovations! Created in collaboration with the Smithsonian Institution, this STEAM book will ignite a curiosity about STEAM topics through real-world examples. It features a hands-on STEAM challenge that is perfect for makerspaces and that guides students step-by-step through the engineering design process. Make STEAM career connections with career advice from actual Smithsonian employees working in STEAM fields. Perfect for English language learners, this Spanish book builds 1st grade students’ early literacy skills.

En los sueños del joven Likango se repite cada noche la espantosa aparición de una hiena tuerta, la misma que mató a su madre cuando él tenía seis años. Otros hechos inquietantes, como el descubrimiento de un misterioso cadáver cerca del poblado, le empujan a salir en busca de respuestas. Por el camino conoce a Yembela, una enigmática muchacha de otra tribu, y juntos se enfrentarán a una oscura conspiración que pretende sembrar la comarca de terror y muerte.