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      Atmosphere & Weather Balloons Quiz

      1. What is the main gas in Earth’s atmosphere?

      Oxygen
      Carbon dioxide
      Nitrogen
      Hydrogen

      2. Which layer of the atmosphere do weather balloons usually reach?

      Troposphere
      Mesosphere
      Stratosphere
      Thermosphere

      3. What is the primary purpose of a weather balloon?

      To deliver satellites to orbit
      To observe marine life
      To collect atmospheric data
      To generate wind energy

      4. As a weather balloon rises, what happens to the atmospheric pressure?

      It increases
      It stays the same
      It decreases
      It doubles

      5. What instrument is often carried by a weather balloon to collect data?

      Seismograph
      Radiosonde
      Barometer
      Anemometer

      6. Why does a weather balloon eventually burst?

      It runs out of fuel
      It is struck by lightning
      The pressure inside becomes too low
      It expands too much as the air pressure outside drops

      7. What kind of data does a radiosonde typically collect?

      Solar flare activity
      Temperature, pressure, and humidity
      Earthquake vibrations
      Ocean current speed

      8. In which layer of the atmosphere does most weather occur?

      Stratosphere
      Troposphere
      Thermosphere
      Exosphere

      9. What gas is most commonly used to fill weather balloons?

      Oxygen
      Nitrogen
      Hydrogen or helium
      Carbon dioxide

      10. How does a radiosonde transmit data back to Earth?

      By satellite relay
      It stores data for later retrieval
      Via radio signals
      Through Wi-Fi
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