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...

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...

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...

¿Qué valores, comportamiento y actitudes cívicas caracterizan hoy al buen ciudadano o ciudadana? ¿Qué educación requiere la transmisión de valores cívicos? Respuesta a estas y otras preguntas pueden orientar la acción educativa del profesorado de Secundaria, ante el actual reto de educación para la ciudadanía. En este libro se propone una educación en valores cívicos, entre otros, participación, responsabilidad social, diversidad y diálogo, crítica social y solidaria, equidad de género, defensa del medio ambiente y promoción de un desarrollo sostenible.

La increíble historia de la imposible caza y captura de la alegría resulta una novela paródica de calado contemporáneo, donde el humor sirve de antídoto ante la tragedia y se inspira en los sucesos de la “primavera árabe” y las experiencias de su autor, vinculado con los rebeldes libios que derrocaron al dictador Muamar el Gadafi. La historia de la búsqueda y captura de la alegría es un símbolo de los intentos de los poderosos por domeñar a los pueblos y de la imposibilidad de detener las aspiraciones humanas de conquistar un mejor futuro.

Explore the different types of ecosystems and biomes through this captivating Spanish book, featuring vivid images, charts and graphs, and interesting facts! Readers will be excited as they learn about the tundra, grassland, desert, and temperate forests, as well as riparian and pelagic biomes. A glossary, index, and an engaging experiment are included to help children further understand the content.

Muddy Creek in Edgewater, Maryland is the site of a major makeover. The land around the stream has worn down. Find out what caused Muddy Creek to erode, and the many steps involved in saving it. Created in collaboration with the Smithsonian Institution, this Smithsonian Informational 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 of the engineering design process, from the initial research and brainstorming sessions, through the design and testing ...