Historic Pigments:
What colors do you see in these examples of ancient art? Where do you think the artists sourced their pigments?
Cueva de Manos (painted 9000 years ago)
Egyptian Blue (5200 years ago)
Plant Pigments:
What pigments do you see in your plant leaf chromatogram?
Orange-brown: Carotene
Yellow: Xanthophylls
Blue-green: Chlorophyll A
Olive-green: Chlorophyll B