La fiebre del oro

Over the years, people have looked for ways to improve our imperfect sight. This has led us to the world of optics, which is the study of light and how it travels. What are some of these innovations that have changed how we see the world, and how do they work? Find the answers to these questions with this Smithsonian Informational Text! Created in collaboration with the Smithsonian Institution, this text builds students' reading skills while engaging their curiosity about STEAM topics through real-world examples. It features a hands-on STEAM challenge that guides students through every step...

How do you truly engage students in learning history? When students make personal connections to the subject, they’re much more motivated to learn. This Spanish book provides firsthand accounts of history that give personal insights into historical events. Students will learn about California’s gold rush by examining maps, letters, images, and art from that time. With a visually appealing layout, this 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...

Rain, sunshine, warm fronts, and cold fronts. Have you ever listened to a weather report? Knowing the weather can help us plan ahead. But reporters aren’t the only ones who can track weather. You can, too! This nonfiction Spanish book explores the subject of meteorology in depth, and introduces students to important scientific concepts and vocabulary like anemometer, barometer, air pressure, warm front, cold front, rain gauge, probability, Celsius, Fahrenheit, and more. The colorful images, diagrams, sidebars, and text features will keep students connected to the text. Aligned to state and...

Desde la aparición de su libro más emblemático, el autor ha recibido miles de cartas y correos electrónicos en los que los lectores le hacían toda suerte de preguntas. Hoy, impulsado por esa "fuerza" que, siempre lo acompaña, el periodista e investigador navarro ha decidido responder públicamente. Y lo ha hecho a cuerpo descubierto, directa y valientemente, sin rodeos ni concesiones. En este texto, Benítez selecciona las 101 preguntas más duras, tiernas, divertidas y profundas. Si su mente no dispone de un mínimo de tolerancia, no lea este libro. Tras un largo y duro peregrinaje por ...

Tornadoes are some of the strongest storms on the planet. It’s not safe to go near them, but what if we could? Readers will dive into the world of wild weather in a special ship that lets them get up close and personal with a tornado. From the cone of silence deep inside the storm to the incredible winds and lightning created by a superstorm, this book will electrify readers as well as educate them on what to do if a tornado forms nearby.

La muy interesante historia del bribón español Pedro Chamijo, “el falso Inca”, toma en la pluma de Roberto Payró un simpático tono que no por eso oculta por completo la tragedia que para las tribus nativas sudamericanas representaron la ignorancia y brutalidad de los conquistadores españoles, sumada a su propia torpeza política. Escrita con agilidad y humor, esta es la historia acerca de la leyenda del Gran Paitití, el Gran Padre Blanco custodio de la ciudad creada por los Incas para refugio contra los extranjeros, que según antiguas tradiciones se apoderarían del país, y su rol ...

Discover That There Are Over 8000 Kinds Of Ants Of Different Sizes, How They Live, Where They Live, And How They Reproduce.