La Misión de Santa Cruz (Discovering Mission Santa Cruz)

Lighthouses have helped sailors navigate for centuries. But lighthouses are not built like they used to be. Learn how innovations like computers and solar power have improved lighthouses over time. 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...

Examines The Properties Of Matter, The Use Of Energy From Gasoline Or Batteries, And Various Other Sources Of Energy.

Ricardo the pack rat has collected so much stuff that his rat hole is full. Includes facts about pack rats.

Un libro para comenzar a pensar en algunas de las preguntas cruciales que nos acompañarán toda la vida. Algunos piensan que la vida es un juego, otros opinan que es muy complicada... No hay una única respuesta para las grandes preguntas de la vida. No existe sólo una forma de pensar. Cada quien debe construir, buscar, construir la suya propia. Doce ideas sobre el sentido de nuestra vida se confrontan en este libro.