Can anyone buy helium and do you need your own tank?
Can you help me troubleshoot my whirlpool refrigerator that is making an unusual sound?
What are some unique sixth grade science projects using helium?
What could be causing me to have no output sound from an old receiver?
What natural process creates new helium on the earth?
Why does my ear make the sound of a drum being tapped?
Why is my car making a humming sound when I press on the gas pedal?
science why
Question by danigre (22)
Answer by rbiales (3441)
Helium makes your voice sound funny because the air is moving past your vocal cords at a faster rate. Faster air makes a higher sound
Answer by Gomethras (61)
Helium is less dense than air. This makes the speed of sound higher in helium causing noises to be shifted to higher frequencies.
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