Cada dólar marca la diferencia

Did you know that swimming pools are used to train astronauts? Athletes use swimming pools to train when they're injured, and doctors use them to help patients feel better. Learn how swimming pools and aquatic therapy help all kinds of people! Created in collaboration with the Smithsonian Institution, this Spanish book ignites a curiosity about STEAM topics through real-world examples. It features a hands-on STEAM challenge that guides English language learners through every step of the engineering design process. Inspire students to pursue a STEAM career with career advice from a real person ...

What does swimming in a pool, drinking through a straw, breathing in air, and circulating blood all have in common? They all require a form of air or water pressure! Readers will discover the variety of ways that air and water pressure make an impact on our lives and the things in them. This fact-filled, Spanish-translated nonfiction title includes real-life examples and basic experiments to aid in the development of understanding physic and scientific concepts. Readers will be introduced to and learn about Archimedes Principle, atmospheric pressure, vacuums, water density, and hydraulics...

"El cuerpo humano está formado por diversos sistemas muy complejos: el circulatorio, el respiratorio, el linfático, el digestivo, el nervioso ... Y todos tienen que trabajar en perfecta sincronía para mantenernos con vida y funcionando como lo hacemos. Este libro nos lleva en una fascinante travesía a través de nuestra propia esencia, para que podamos no sólo comprender, sino gozar un viaje asombroso a través de la máquina más importante y sorprendente: el cuerpo humano."--Publisher.

Una mañana, muy temprano, el cartero dejó en el buzón de la granja un paquete. Será comida? Será un tocadiscos? Cuidado, puede ser una bomba! Ojo, que va a explotar ...! Y se armó la revolución en la granja ... Pero no era una bomba, era algo muy distinto; algo que iba a llenar de emoción, suspende y aventura la vida rutinaria de la granja.

La increíble e inspiradora historia de un niño que desde el corazón de África supo vencer todos los obstáculos y logró convertirse en atleta olímpico. Un canto a la esperanza y a la paz que nos muestra que hasta en la oscuridad, siempre brilla una luz que nos guía. This is the incredible, inspiring tale of a little boy from the heart of Africa, who was able to overcome all of the obstacles in his life, and become an Olympic athlete. A story of hope and peace, which shows us how there is always a light that shines to guide us, even in the darkest moments. Lexile Level: 910L