National Geographic Education
The National Geographic Education website offers high-quality, standards-based resources relating to geography and other topics, such as world history, biology, oceanography, ecology, engineering, cartography, and current events. It focuses on classroom resources for pre-K through adult.
The Resource library includes activities, articles, collections, educator guides, encyclopedic entries, historical articles, ideas, images, interactives, games, lessons, maps, media, photos, unit studies, and videos. Each element of the Library lists the topics and subtopics it addresses and designates the grades of the intended audience. Users can also search by subject, grade, content type, and keyword.