Helium in a balloon

What did Elephant use to fill his balloons?

• A tank with helium

• A bicycle pump

• His breath

• A water hose

Why did Elephant's balloon float away?

• It was lighter than air

• It was made of special material

• It was bigger than the others

• It was magic

What gas did Elephant fill his balloons with?

• Nitrogen

• Helium

• Oxygen

• Carbon dioxide

What would happen if you don't hold onto a helium-filled balloon?

• It will deflate slowly

• It will pop

• It will float away

• It will fall to the ground

What did the characters imagine about being as light as helium?

• They could float and travel anywhere

• They would glow in the dark

• They would be invisible

• They could run faster