What Happens When You Lose a Balloon?

The video explains what happens to helium balloons when they escape into the sky. It describes how helium makes balloons lighter than air, causing them to rise. As they ascend, the air becomes less dense and colder, which can lead to the balloon popping or shattering. The video also highlights the environmental impact of balloons falling back to the ground.

What did the narrator use to prevent the balloon from escaping again?

• A rock

• A water bottle

• A stick

• A book

What gas is used to fill balloons, making them lighter than air?

• Oxygen

• Nitrogen

• Helium

• Carbon Dioxide

How does the air change as a balloon rises higher into the sky?

• It becomes more humid

• It becomes more spread out

• It becomes denser

• It becomes warmer

What happens to a balloon if it is not strong enough at high altitudes?

• It pops

• It changes color

• It shrinks

• It melts

What can happen to a balloon when it reaches the cold temperatures at airplane altitudes?

• It starts to glow

• It becomes more flexible

• It shatters into tiny pieces

• It changes color