The Visual Thesaurus is an interactive dictionary and thesaurus which creates word maps that blossom with meanings and branch to related words. Its innovative display encourages exploration and learning. You'll understand language in a powerful new way.
Developed for use in middle and high school classrooms, Mission US engages students in the study of transformational moments in American history. Each mission consists of an interactive game and a set of curriculum materials that are aligned to National Standards and feature document-based activities.