WONDER #1333: Why Does Helium Change the Sound of Your Voice?

Question 1 of 3

What is the second most abundant element in the known universe?

1. hydrogen
2. helium
3. oxygen
4. nitrogen

Question 2 of 3

Sound travels over twice as fast through helium than it does regular air due to helium’s lower what?

1. weight
2. mass
3. volume
4. density

Question 3 of 3

Which of the following body parts does NOT affect the way your voice sounds?

1. mouth
2. tongue
3. feet
4. lips

Check your answers online at https://wonderopolis.org/index.php/wonder/why-does-helium-change-the-sound-of-your-voice.