WONDER #682: Why Are There Revolving Doors?
Question 1 of 3
What consists of three or four doors that are spaced an equal distance from each other around a center shaft and rotate in a circle inside of a cylinder?
- revolving doors
Question 2 of 3
The door panels of revolving doors are often called what?
- both (A) and (B)
Question 3 of 3
Which of the following is a benefit of revolving doors?
- heating and cooling costs are minimized
- street noise is reduced
- sound of slamming doors is eliminated
- all of the above
Check your answers online at https://www.wonderopolis.org/wonder/why-are-there-revolving-doors.