14,142 Blackboard Visual Aid Stock Videos, 4K Footage and Video Clips

View blackboard visual aid images

Browse 14,142 blackboard visual aid videos and clips available to use in your projects, or start a new search to explore more footage and b-roll video clips.

video thumbnail
close-up of the hand of a middle-aged man plotting a graph to show the relative speed at which the planets in our galaxy travel around the sun relative to the distance of their orbits from the sun (m equals mercury, v equals venus etc.) with chalk. - blackboard visual aid stock videos & royalty-free footage
00:17
Close-up of the hand of a middle-aged man plotting a graph to show the relative speed at which the planets in our galaxy travel around the sun relative to the distance of their orbits from the sun (M equals Mercury, V equals Venus etc.) with chalk.
of 100
NEXT