science
Grade-3
Easy
Question
How do weather balloons transmit the data they collect back to the ground?
- A tablet
- A simple radio
- A mobile phone
- A computer
The correct answer is: A simple radio
Weather balloons can fly higher than airplanes and are launched from the ground. They are equipped with tiny equipment that takes readings of the temperature, wind speed, and wind direction as they rise.
A basic radio is used to transmit this data back to the ground.
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