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...

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...

Students will develop their math skills while engaged in reading about the importance of honeybees. This nonfiction math book combines math and literacy skills, and uses real-life examples of problem solving to teach subject area content. The full-color images, intriguing sidebars, practice problems, and math diagrams make learning place value relevant and fun. Text features include a table of contents, glossary, and index to increase understanding of math and reading concepts. An in-depth problem-solving section provides additional learning and practice opportunities while challenging...

Come find out what professional Crime Scene investigators do to solve a crime in this inspiring Spanish-translated nonfiction reader! In conjunction with detailed images and fascinating facts, readers learn about forensic science, criminal investigative evidence, and crime scene searches. This book includes an interview with a real-life CSI and a glossary, index, and list of useful sources.

La Editorial EVEREST ha creado el Método de Español para Extranjeros en colaboración con la prestigiosa Universidad de Valladolid, de su Fundación General y de su Centro de Idiomas. El método está estructurado en tres niveles y cada nivel consta de tres libros y una casete.

¡Bienvenido! El mundo al que llegas no es el mismo al que llegaron tus padres. El tuyo es también digital. Estás acá, aquí y ahora, pero a la vez estás en línea. Y, aunque no te acuerdes, ¡lo has estado desde antes de nacer! En este mundo hay que respetar al resto, cuidarse y ser buenas personas, ¿no? ¡El mundo digital no es tan distinto! De hecho, están muy conectados, pero debes conocerlo bien para que aprendas a protegerte, evitar riesgos y ser una excelente persona en línea.Este libro será una guía que te acompañará en tu aventura digital. Internet no es algo mágico e...

¿Sabías que el primer desfile del Día de los Veteranos se realizó en Birmingham, Alabama? El Día de los Veteranos se celebra el 11 de noviembre de cada año. Explora estos y otros datos fascinantes en El Día de los Veteranos uno de los libros de Celebremos las fechas patrias. Did you know that the first Veterans Day parade took place in Birmingham, Alabama? Veterans Day is celebrated on November 11th every year. Explore these and other fascinating facts in Veterans Day, a Let’s Celebrate American Holidays book.