Science, asked by anan23122, 11 months ago

why does a person's voice change when they take in helium gas from a balloon?

Answers

Answered by Anonymous

Because helium is lighter than air, sound waves travel through it faster. ... Some people think that helium changes the pitch of your voice, butthe vibration frequency of the vocal cords doesn't change along with thetype of gas molecules that surround them.

Answered by 111037714

It's responding to the air around it. Helium floats because it is buoyant; its molecules are lighter than the nitrogen and oxygen molecules of our atmosphere and so they rise above it. ... And now the balloon rises "upward" toward the thinner air like a diver coming up from deep water.

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