What is the primary purpose of weather balloons?

• To transport scientific payloads into the upper atmosphere

• To provide internet connectivity

• To serve as a tourist attraction

• To monitor wildlife migration

Who was one of the earliest documented users of weather balloons?

• Leon Teisserenc de Bort

• Alfred Wegener

• James Van Allen

• Ferdinand Van Zeppelin

What material are weather balloons typically made from?

• Plastic

• Rubber

• Nylon

• Latex

What is the main reason helium is used in weather balloons?

• It is denser than air

• It is cheaper than hydrogen

• It is easier to manufacture

• It is less dense than air

What happens to a weather balloon as it ascends?

• It remains the same size

• It changes color

• It expands

• It shrinks

What is a significant risk associated with using hydrogen in weather balloons?

• It is heavier than air

• It is extremely dangerous

• It is difficult to obtain

• It is more expensive than helium

What discovery is Alfred Wegener known for?

• The Hindenburg disaster

• The Continental Drift Theory

• The tropopause

• The Van Allen Belts

What is the relationship between the size of a weather balloon and its weight?

• Smaller balloons weigh more

• Larger balloons weigh less

• Larger balloons weigh more

• Size and weight are unrelated

What is the recommended starting size for a weather balloon for beginners?

• 1500 g

• 1200 g

• 2000 g

• 350 g

What was the original purpose of the spire of the Empire State Building?

• To house a radio antenna

• To be a mooring mast for dirigibles

• To serve as a lightning rod

• To be a tourist observation deck