About This Lesson
This Chemistry Now episode explains the basic role of the pigment molecule chlorophyll in photosynthesis, and explains why plants are -- or appear to be -- green: because chlorophyll molecules absorb visible light in all color wavelengths except green, which is reflected back, into our eyes.
Keywords: Plants, Chlorophyll, Energy, Heat, Photosynthesis, Light, Green, Chromatography, Pigments, Wave Length