Cave

The video tutorial explores caves, defining them as natural underground spaces that are dark. It discusses the various types of caves, their contents, and how they form, particularly in limestone through erosion by acidic water. The video highlights Mammoth Cave in Kentucky as the largest cave system and explains features like stalactites and stalagmites. It also emphasizes the ecological importance of caves as habitats for numerous plant and animal species, including bats and other cave-dwelling creatures.

What is a cave?

• A small hole in a rock

• A type of mountain

• A natural underground hollow space that is completely dark

• A man-made underground tunnel

How are most caves formed in limestone?

• By the pounding of ocean waves

• By human excavation

• By acidic water eroding the limestone over time

• By volcanic eruptions

What is the largest cave system in the world?

• Mammoth Cave in Kentucky

• Carlsbad Caverns

• Waitomo Caves

• Lascaux Caves

What are stalactites?

• Mineral formations that grow up from the cave floor

• Mineral formations that grow down from the cave ceiling

• A type of cave-dwelling animal

• A type of rock found in caves

Approximately how many different kinds of animals are estimated to live permanently in caves?

• 10,000

• 25,000

• 50,000

• 100,000