LEDs and photosensitive paper show light be a particle in this demonstration explaining how light comes in little "packets" that we call photons. Colored LEDs make phosphorescent paper glow only if their color (frequency) of light is high enough in energy.
Questions about Photons of Light - Science Theater 02
Want more info about Photons of Light - Science Theater 02?
Get free advice from education experts and Noodle community members.