❓ why
Why do some waterfalls create mist and rainbows?
Quick Answer
Fast-falling water breaks into tiny droplets, and sunlight can scatter through them to make mist and rainbows.
The Full Story
When water plunges over a drop, the impact with rocks and the air below shatters it into fine spray. Those droplets remain suspended as mist near the base of the falls. If sunlight shines through the spray at the right angle, the light bends, reflects, and disperses to form a rainbow. The effect is strongest when the air is humid and the sun is behind the observer. Large waterfalls like Niagara are famous for this combination.
Key Facts
1.Falling water creates suspended spray
2.Rainbows need sunlight and droplets
3.Niagara Falls often produces visible mist
YouTube Angle
Suggested video title for this topic:
"The science behind waterfall rainbows"
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