Science · Topic 122 of 124
Density of Gases
⭐ MasteredGases have a density too, and some gases are lighter than air. Helium is much less dense than air, which is why helium balloons float upwards.
💡 Fun fact
Hot air is less dense than cold air, which is why hot-air balloons rise into the sky.
All about Density of Gases
Gases have density too, and some gases are lighter than air. Helium is much less dense than air, which is why helium balloons float upwards. Gases that are denser than air sink, such as carbon dioxide.
The balloon is heated so that the air inside becomes lighter than the air outside.
🎮 Try it yourself!
Loading…