Hot Air Balloons

Who invented the first hot air balloon?

• the Chinese

• the Wright brothers

• Jean-Pierre Blanchard

• the Montgolfier brothers

How do pilots steer a hot air balloon?

• they lean from side to side

• they use the wind currents

• they use a steering wheel

• they turn handlebars

Which kind of day would be best for a hot air balloon ride?

• a cloudy day with little wind

• a clear day with little wind

• a cloudy, windy day

• a clear, windy day

How does fire help the balloon fly?

• Fire puts off gas that is cool enough to make it leave the ground.

• Fire heats the air. Since hot air is lighter than cold air, the balloon rises.

• Fire doesn't help the balloon fly.

• The balloon catches on fire and lifts it off the ground.

What events cause the balloon to take off?

• A strong fan is used to blow up the balloon. A burner heats the air inside the balloon.

• A strong wind picks the balloon up off the ground.

• A strong fire picks the balloon up off the ground.

• The balloon doesn't take off. Gravity is holding it down.

What was the effect of the Montgolfier experiment?

• The first hot air balloon

• The first kite

• The first drawing

• The first silk pillow

What is the effect of heating the air inside the balloon?

• Nothing the balloon stays on the ground.

• The balloon falls over.

• The balloon rises.

• The balloon barely lifts off the ground.

How does letting out hot air make the balloon sink?

• Since there is more hot air, the balloon can keep the same weight in the air.

• Since there is less hot air, the balloon cannot keep the same weight in the air.

• Since there is less hot air, it doesn't matter what happens to the balloon.

• Since there is more hot air, the balloon will land fine.

What is the primary material used for the envelope of a hot air balloon?

• A) Nylon

• B) Cotton

• C) Silk

• D) Polyester

Which literary device is used in the phrase 'the balloon danced in the sky'?

• A) Metaphor

• B) Simile

• C) Personification

• D) Hyperbole