WONDER #450: What Is a Sinkhole?

Question 1 of 3

Which of the following is NOT another name for sinkholes?

  1. swallets
  2. dolines
  3. cenotes
  4. plinkies

Question 2 of 3

Sinkholes are depressions in Earth’s surface caused by what kind of natural processes?

  1. karst
  2. wurst
  3. thirst
  4. schvorst

Question 3 of 3

The largest known sinkhole in the world is in which country?

  1. United States
  2. Venezuela
  3. China
  4. South Africa

Check your answers online at https://www.wonderopolis.org/wonder/what-is-a-sinkhole.