Caves and Sinkholes | Science for Kids

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#sinkhole

Underground right now, there are rooms bigger than football stadiums, tunnels hundreds of miles long, and rivers no sunlight has ever reached.

And the same process that created them can make the ground above them disappear without warning.

In this video we break down how caves form, what stalactites and stalagmites actually are, why sinkholes happen, and what animals live in permanent underground darkness.

What you'll learn:

- How slightly acidic rainwater dissolves limestone to carve caves over thousands of years

- The difference between stalactites and stalagmites

- Why sinkholes can appear suddenly

- and why some are slow

- How lava tubes and sea caves form

TIMESTAMPS

0:21 – What's underground right now

1:01 – How caves form

1:53 – What's inside a cave

2:46 – Sinkholes

3:40 – Other types of caves

4:05 – Fun Facts about Caves and Sinkholes