WONDER #2074: How Do Escalators Work?

Question 1 of 3

Basically, an escalator is a variation of which machine?

  1. gas engine
  2. conveyor belt
  3. computer
  4. cotton gin

Question 2 of 3

Which of the following is NOT another name that has been used for the escalator in the past?

  1. traveling staircase
  2. inclined elevator
  3. magic stairway
  4. levitating steps

Question 3 of 3

If an escalator moves at a rate of 145 feet per minute, how many people can it carry per hour?

  1. 1,000
  2. 5,000
  3. 10,000
  4. 25,000

Check your answers online at https://wonderopolis.org/index.php/wonder/how-do-escalators-work.