WONDER #1754: How Is Traffic Directed in the Sky?

Question 1 of 3

At any particular moment, approximately how many airplanes are in the skies above the United States?

  1. 50
  2. 1,000
  3. 5,000
  4. 10,000

Question 2 of 3

What technology do air traffic controllers primarily rely upon to monitor the airspace they control?

  1. sight
  2. sonar
  3. radar
  4. audio

Question 3 of 3

The air traffic control system in the United States is run by the FAA, which stands for what?

  1. Federal Aviation Administration
  2. Flying Around Administration
  3. Flight Automatic Administration
  4. Flight Autonomous Anonymous

Check your answers online at https://wonderopolis.org/wonder/how-is-traffic-directed-in-the-sky.