Wonders Hot Air Balloons

Who invented the first hot air balloon?

• the Chinese

• the Wright brothers

• Jean-Pierre Blanchard

• the Montgolfier brothers

Besides temperature, how are cold air and hot air different?

• cold air rises up in the sky

• cold air is lighter than hot air

• hot air is lighter than cold air

• hot air stays close to the ground

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

The reader can conclude that once the Wright Brothers invented the first airplane, people no longer traveled by hot air balloon because

• traveling by hot air balloon cost more money

• traveling by hot air balloon took less time

• traveling by airplane cost more money

• traveling by airplane took less time

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