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Examines the nature of inclined planes and wedges, how they can reduce the amount of force necessary to perform work, and ways in which they are used.

Hola, sol! proporciona una fantástica manera de conectar con el cuerpo y calmar los pensamientos antes de comenzar las aventuras del nuevo día. Con coloridas ilustraciones llenas de imágenes de la naturaleza y divertidos detalles en los que fijarse, ¡Hola, sol! incluye, además de la secuencia completa de posturas, una breve historia del Saludo al sol y una meditación especial que ayuda a prepararte para un día feliz y consciente. Hello, Sun! This is a wonderful book that connects us to our body and allows us to calm our own thoughts before starting on the adventures of a new day....

What do solar panels, waterproof clothing, and window coverings have in common? They are technologies that have been adapted based on studying butterflies! Learn what scientists have learned from butterflies with this Spanish book that will ignite a curiosity about STEAM topics through real-world examples. Created in collaboration with the Smithsonian Institution, this STEAM book 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...

Stephen F. Austin grew up to become known as the Father of Texas. Readers can learn about his interesting and incredible life in this appealing biography that has been translated into Spanish and highlights both Austin's life and Texas history. Through vivid images and illustrations, supportive text, an accommodating glossary and index, and fascinating facts, readers will learn about Texas pioneers, the empresario system, Freemasons, and how Austin became such an important figure in Texas history.