This video explains how the snow used to build igloos keeps the people inside them warm. It also gives some examples of plants and animals that use snow to protect themselves from the cold.
If you ever find yourself stranded in the snowy Arctic, you’re gonna need to know how to build an igloo. But how can building a house made of ice keep you warm? The science behind building an igloo is the same reason that otters and reindeer don’t freeze to death!
