Impact helps teenage learners to better understand themselves, each other, and the world they live in. By encouraging self-expression, global citizenship, and active participation, Impact motivates students to explore who they are and who they wantbe, all while learning English The Classroom DVD contains the full Impact Video Program, including two videos for each unit in the program - Meet the Explorer videos introduce a National Geographic Explorer in every unit. Unit videos reinforced and consolidate new language, and present the units theme from a new perspective.