WONDER #2613: How Do One-Way Mirrors Work?

Question 1 of 3

In which of these situations would one side of a one-way mirror be reflective while the other was transparent?

  1. Rooms on both sides of the mirror are brightly lit.
  2. The mirror is placed in the center of one room, the lighting is similar on both sides.
  3. The room one one side of the mirror is dimly lit, while the other room is very bright.
  4. Rooms on both sides of the mirror are very dark.

Question 2 of 3

One-way mirrors are ______________ so they have a very thin layer of reflective coating.

  1. washed
  2. half-sprayed
  3. gilded
  4. half-silvered

Question 3 of 3

This Wonder was mostly about...

  1. why detectives use one-way mirrors when questioning suspects.
  2. what one-way mirrors are and how they work.
  3. how to make your own mirror at home.
  4. the history of silvering.

Check your answers online at https://www.wonderopolis.org/index.php/wonder/How-Do-One-Way-Mirrors-Work.