Digital History enhances history teaching and research through primary sources, an online textbook, extensive reference resources, and interactive materials. Extensive teacher resources include: Explorations: inquiry-based, interactive modules designed to give students the opportunity to conduct research, analyze primary sources, and draw their own conclusions. Classroom Handouts and Fact Sheets: ready-to-use collections of primary sources, graphs, charts, and study questions. Learning Modules corresponding to the major periods in American history. Each includes: a succinct historical overview; recommended documents, films, and historic images; and teaching resources including lesson plans, fact checks, and activities. Resource Guides: an overview of a historical period or topic; links to the sites comprehensive online textbook; bibliographies; classroom handouts; timelines; film guides; primary sources; maps; music; speeches; political cartoons; historic images; and relevant websites. Lesson Plans