14 Fun Facts About Icebergs

Icebergs can be fascinating things. They are fresh water, floating islands of ice. Some of them are big enough to hold 100 football stadiums, or more.
They can be a danger to passing ships and wildlife that gets trapped on them.
They drift along with the currents, melting as they make their way toward warmer waters, and their slow death.
Do you know:
Why do icebergs float?
What is the underwater part of an iceberg called?
How old is the air trapped in some icebergs?
What is a growler?
How big was t...