El dominio mexicano de California (Mexican Rule of California)

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...

Aislado por mar, desierto y cordillera, Chile es un lugar privilegiado por sus paisajes y pájaros sorprendentes. El libro que tienes en tus manos es una invitación a adentrarse en el mundo de las aves que habitan en el valle central de nuestro país, recorriendo su geografía desde la cordillera de los Andes hasta el mar. Este libro presenta a los PÁJAROS CHILENOS típicos de Chile Central y sus hábitats. A través de ilustraciones y diferentes relatos, te permitirá descubrir sus variadas características y comportamientos, y así explorar la forma de vida de nuestros compañeros...

Each title in an educational series features one letter per page with ample writing space for practice, teaching youngsters how to write each letter of the alphabet in upper case, lower case, and in cursive.

Learn multiplication on a fun-filled trip to the supermarket! The displays, shelves, and layout of a local grocery store provide ample opportunities for students to learn multiplication as they are engaged in reading high-interest content. This Spanish book combines mathematics and literacy skills, and uses practical, real-world examples of problem solving to teach math and language arts content. The full-color images, math graphs and charts, and practice problems make learning math easy and fun. The table of contents, glossary, and index will further understanding of math and reading...