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...

Learn how to help others in your community. This exciting Spanish nonfiction book describes the many ways that volunteers make a difference, from cleaning up parks to helping in food banks. Perfect for young readers, the book includes a short fiction stor

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...

The rock cycle has been taking place for millions of years. However, geologists have only known about this phenomenon for about 300 years. Young terrestrial explorers are introduced to different types of rocks, where in the cycle these rocks fit, and where in Earth's layers each step takes place. Fact boxes provide readers with fun additional information. A diagram helps readers make sense of the new information they're learning.

Una colección de cuentos ilustrados originales y creados para crecer, inspirar y hacer volar la imaginación. #CuentosParaCrecerPorDentro Lo que aprendí de los cuentos es que siempre, siempre, el protagonista encuentra la manera. Lo que aprendí de la vida es que siempre, siempre, podemos crear nuestro final feliz. Cuentos para crecer por dentro es un emocionante viaje de transformación personal a través de los sentimientos, valores y aprendizajes que repararán tus alas y acariciarán tu corazón para siempre. De las creadoras del proyecto Reparando Alas Rotas. Prólogo de Pablo Arribas. ...

La Guerra Civil cortó bruscamente la riqueza poética inmediatamente anterior a su estallido, y en los primeros años de la dictadura hubo que reconstruir no sólo un país en ruinas, sino también una poesía gravemente mutilada por las muertes (Unamuno, Lorca, A. Machado, Miguel Hernández…) y el exilio (casi todos los miembros del 27, Juan Ramón, León Felipe…). En ese contexto nace la poesía de posguerra, que si bien en un principio, como dice Emilio Alarcos, era natural que «después de las hostilidades, como reacción ante una realidad hosca, buscase la tranquilidad de ánimo,...

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