bNe World
How do helium balloons rise so high?Because helium is lighter than air! Some balloons are not filled with air but a gas called helium. A balloon filled with helium weighs less than the same sized balloon filled with air.This makes the helium balloon float upwards and rise high.
3 months ago | [YT] | 2
bNe World
How do helium balloons rise so high?
Because helium is lighter than air! Some balloons are not filled with air but a gas called helium. A balloon filled with helium weighs less than the same sized balloon filled with air.
This makes the helium balloon float upwards and rise high.
3 months ago | [YT] | 2