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://wonderopolis.org/wonder/what-is-a-sinkhole.