Mi vida como pionero

Discusses the physical characteristics of great white sharks that combine to make them such able predators.

La familia no puede reducirse a un "tema", una "cuestión", o una "moda". Influye en todas las realidades humanas primarias como el trabajo, educación, sanidad, alimentación, sexo, etc. Y es transversal a multitud de aspectos de la vivencia humana: las religiones, las ciencias, la política, la economía, la sociedad... Por todo ello, se afirma en verdad que la familia es la célula básica de la sociedad. Pero, como ha escrito el Papa Francisco, "la familia atraviesa una crisis cultural profunda" y el matrimonio "tiende a ser visto como una mera forma de gratificación afectiva que puede...

Did you know that early explorers initially thought that California was an island? Learn how California was discovered with this Spanish book that focuses on the history of California. Students will learn about the contributions of Henry Hudson, Juan Rodriguez Cabrillo, Hernan Cortes, Francisco de Ulloa, and Sir Francis Drake. With a visually appealing layout, this primary source book features captivating text, fun facts, sidebars, and time lines that help students grasp the essential concepts they need to know at their grade level. Packed with information and primary source maps, images, and ...

When it's hot outside, what can you do to stay cool? People have found many ways to cool off and cool down. How cool is that? 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 young ...