Blow on your hand with your open mouth and you feel the warmth of your breath.Pucker your lips so your breath expands as you blow and your breath is

Name: Blow on your hand with your open mouth and you feel the warmth of your breath.Pucker your lips so your breath expands as you blow and your breath is
Brand: Quizplus
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Question

Quizplus · Accepted Answer

When you pucker your lips, the air coming out of your mouth moves faster and spreads out more, causing more evaporation and cooling. Therefore, the breath feels cooler.

Blow on Your Hand with Your Open Mouth and You