Summary
The morpho butterfly's dazzling blue isn't a pigment — it comes from the microscopic shape of its wing scales bending light. Deep Look zooms in to reveal how structure, not paint, makes the color.
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All ages
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Teaching resources
Discussion questions
Talk about it
A morpho's wings have no blue paint. Instead, microscopic ridges on the scales bend and bounce light so that blue shines back — color made by structure.
- Where does the morpho butterfly's blue color really come from?
- How is 'structural' color different from a pigment or paint?
- Why might a shimmering, shifting blue help the butterfly?
Quick work-a-long
Vocabulary: structure, scale, light, reflect.
Try it: Tilt a soap bubble or CD in the light and watch the colors move. Write how shape and light make color without paint.