Why does a helium balloon float when a regular one falls down?

Photo of author

Karen Hill

Anything that’s lighter than air will float.

A liter of air at sea level weighs about 1.25 grams; a liter of helium, though, is only .18 grams.

Therefore the air sinks below the helium balloon, causing it to fly upward.

Related Posts

  1. How Was Niagara Falls Formed and Is Niagara Falls Located In the United States or Canada?
  2. Where Is Niagara Falls Located and Is Niagara Falls In the United States or Canada?
  3. Why Does Helium Change the Sound of Your Voice and How Does Helium Affect the Frequency and Pitch?