Todo el mundo viaja

In This Early Reader Grandpa Comes To School And The Class Teaches Him What They Are Learning About Green Lunches, Recycling, And Conserving Electricity.

Simple text and photographs show how common shapes can be put together to create new and different ones.

A bilingual dictionary offers translations of more than twenty thousand words, examples of different uses in context, cultural information, warnings of false cognates, and explanations of the rules of Spanish grammar and common difficulties.

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...

Muchas personas dependen de los cangrejos azules de la bahía de Chesapeake para sus trabajos. Pero la sobrepesca y los cambios en los hábitats de los cangrejos azules han reducido su número. Aprenda cómo los científicos han intervenido para estudiar estas bellezas azules para que puedan mantener una población de cangrejos saludable. Creado en colaboración con la Institución Smithsonian, este libro en español despierta la curiosidad sobre los temas de STEAM a través de ejemplos del mundo real. Cuenta con un desafío STEAM práctico que guía a los estudiantes de inglés a través de...