Chinchachoma

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...

"Simple text and photographs describe common things that are blue, including blueberries, bluebirds, and blue jeans"--Provided by publisher.

For many years, people believed there were nine planets that orbited the sun. Now we say there are eight. What happened to the ninth planet, Pluto? What are the different planets like? What exactly makes a planet a planet? These are the many intriguing questions answered with this high-interest book, crafted to be accessible for readers of all levels. Young astronomers will be especially fascinated by the stunning photographs and the "Make the Grade" fact boxes.

Geografía General, Un enfoque interactivo para bachilleres de los autores Héctor Israel Ramírez Torres, Flor Araceli Ruiz Peña, Mónica Chaparro Esquivel, Rafael Antonio Olmos Bolaños y Leticia Gerónimo Mendoza, se propone desarrollar una metodología apoyada en competencias, interactiva y atractiva para los jóvenes. Los autores desarrollan 8 unidades con un enfoque metodológico que busca la construcción activa del aprendizaje mediante textos, apoyos visuales (fotografías, esquemas, gráficas, cuadros y 42 mapas), y diversas secciones: Y todo esto… ¿para qué?, Conozco y aprendo, ...