Helium is a gas that is lighter than air, which means it has a lower density. When you fill a balloon with helium, the gas inside the balloon is less dense than the air outside. This creates a buoyant force that causes the balloon to rise and float in the air.
No, not all types of balloons are suitable for filling with helium. Helium molecules are small and can easily escape through the pores in latex balloons, causing them to deflate quickly. Balloons made of mylar or foil are a better choice for helium as they have a tighter seal and can hold the gas for a longer time.
Despite being a very light gas, helium is not completely weightless. Over time, the helium molecules will slowly escape through the balloon's material and mix with the surrounding air. This causes the balloon to gradually lose its buoyancy and deflate.
No, it is not safe to inhale helium from a balloon. While it may seem fun to make your voice sound high-pitched, inhaling helium can be dangerous. Helium is an asphyxiant gas, which means it can displace oxygen in your lungs and cause you to suffocate. It is important to always use caution when handling helium gas.
When you are finished with a helium-filled balloon, it is important to properly dispose of it. Never release a helium balloon into the air, as it can harm wildlife and contribute to litter. Instead, puncture the balloon and throw it away in a trash can. If the balloon is made of mylar or foil, you can also save it for future use or recycle it.