Juegos mentales

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...

Did you know that most animals in the world don't have backbones? Learn more about invertebrates in this engaging, Spanish-translated nonfiction book. Readers will learn all about mollusks, arthropods, arachnids, and crustaceans while being stimulated from cover to cover with its detailed images and charts, intriguing facts, and informative text.

Connie es una joven brillante aspirante a profesora de Historia en la dura y competitiva Universidad de Harvard. El verano que debe decidir el tema de su tesis doctoral su madre le pide que vacíe la deshabitada casa de su abuela, cerca de Salem, con el propósito de venderla. Allí, oculta dentro de una Biblia, Connie encuentra una llave que esconde un papel con una extraña inscripción. La investigación que llevará a cabo para desvelar su significado la obligará a remontarse hasta la caza de brujas de Salem, en 1692, y la conducirá a un misterioso libro.Connie decide entonces escribir...

Discover what it takes to be an Emergency Room doctor in this enlightening nonfiction title that has been translated into Spanish. Readers learn about the hard work and dedication it takes to have a career as an ER doctor and what a typical day is like in the emergency room. From medical school to residency, medical symptoms to diagnosis, children will learn all about the steps it takes to get involved in this profession. This engaging title features vivid photos, helpful charts and diagrams, informational text, a glossary of terms, and an interview with a real life ER doctor to delight,...