Explore Our World is a light and lively primary series in American English. It focuses on listening, speaking, and pronunciation activities, supported by fun and fascinating National Geographic content, images, and video, to ensure young learners of English have the essential language, skills, and knowledge they need to understand their world.- An emphasis on listening and speaking activities allows teachers to focus on the key skills young learners need to learn English.- The Sounds of English provide pronunciation practice in every unit.- The Professional Development Program helps teachers get the most out of Explore Our World.

An encyclopedia designed especially to meet the needs of elementary, junior high, and senior high school students.

The Student Book has 15 chapters divided into 3 types: Keys to History, Historical Eras, and Historical Themes. Key chapters feature World Geography, Study Tools, and Biographies. The 6 Era chapters follow a chronology from Early Humans to Modern Times. Theme chapters focus on major historical concepts, like Agriculture or Trade, and are linked to a particular era. Chapters follow a consistent format: Introduction, Vocabulary, Big Idea, Important Topics, Review, and Write About It. The simplified text is heavily illustrated and intended to be read to students who are nonreaders. Students are frequently presented with important study tools like timelines, maps, and tables