WONDER #1095: How Cool Are Caves?

Question 1 of 3

Exploring caves is called ________________.

1. caving
2. erosion
3. spelunking
4. explaving

Question 2 of 3

Caves tend to form in areas with limestone or dolomite rock and underground streams, otherwise known as _____________ areas?

1. karst
2. seaside
3. volcanic
4. lava

Question 3 of 3

When it rains in karst areas, water combines with __________________ to form a weak acid that eats away the rock over time.

1. carbon monoxide
2. dihydrogen oxide
3. hydrogen sulfate
4. carbon dioxide

Check your answers online at https://www.wonderopolis.org/wonder/How-Cool-Are-Caves.