Your hand is warmed when you blow on it with your mouth open, but when your lips are puckered so that air expands as you blow, your hand is

Name: Your hand is warmed when you blow on it with your mouth open, but when your lips are puckered so that air expands as you blow, your hand is
Brand: Quizplus
Rating: 5.0 (50 reviews)

Question

Quizplus · Accepted Answer

When you blow with puckered lips, the air expands and moves faster, causing the air molecules to spread out more and cool down. Therefore, your hand feels cooler when blown on with puckered lips.

Your Hand Is Warmed When You Blow on It with Your