WONDER #2074: How Do Escalators Work?
Question 1 of 3
Basically, an escalator is a variation of which machine?
- gas engine
- conveyor belt
- cotton gin
Question 2 of 3
Which of the following is NOT another name that has been used for the escalator in the past?
- traveling staircase
- inclined elevator
- magic stairway
- 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?
Check your answers online at https://www.wonderopolis.org/wonder/how-do-escalators-work.