Tyndall effect facts for kids
A blue iris
The Tyndall effect is when light is scattered by particles of matter in its path. It makes a beam of light visible by lighting the particles.
Under the Tyndall effect, the longer-wavelength light is more transmitted while the shorter-wavelength light is more reflected by scattering. In effect, blue light is scattered much more strongly than red light.
The blue of a clear sky, and the blue of blue eyes is caused by the Tyndall effect, not by a pigment. Its named after John Tyndall. Tyndall effect can also be observed when sunlight passes through the canopy of a dense forest.
Images for kids
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The Tyndall effect in opalescent glass: It appears blue from the side, but orange light shines through.
See also
In Spanish: Efecto Tyndall para niños
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Tyndall effect Facts for Kids. Kiddle Encyclopedia.