14,699 Blackboard Stock Videos, 4K Footage and Video Clips

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Browse 14,699 authentic blackboard stock videos, stock footage and video clips available in a variety of formats and sizes to fit your needs, or explore blackboard background or blackboard texture stock videos to discover the perfect clip for your project.

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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 stock videos & royalty-free footage
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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.
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