Martin Luther King Jr Day - MLK Biography, Assignment, Crossword Puzzle Activity: Celebrate Martin Luther King Jr. Day with this ready-to-use lesson that includes a detailed biography presentation lesson on MLK with high-interest videos, a KWL graphic organizer assignment, and a fun crossword puzzle activity to check student understanding. After using this lesson and activities, students will have a deep understanding of the life of Martin Luther King Jr, his role in The Civil Rights Movement, a