Animation of yellow chalk writing the English word 'mathematics' on a board. Animation of yellow chalk writing the English word mathematics on a black chalkboard.
Animation of purple chalk writing the English word 'chemistry' on a blackboard. Animation of purple chalk writing the English word chemistry on a black chalkboard.
A timelapse of writing letters on a chalkboard
A closeup of writing letters on a chalkboard
Indigenous boy writing an A on a chalkboard
Animation of green chalk writing the English word 'teaching' on a blackboard. Animation of green chalk writing the English word teaching on a black chalkboard. The camera slowly moves down.