How does a igloo make you warmer if snow is really cold?

+19 votes
652 views
asked Jun 20, 2017 in Shower Thoughts by arKZo (232,590 points)
reopened Jun 23, 2017 by kidzsearch


2 Answers

+1 vote
 
Best answer
What arKZo said is correct. What keeps you warm is your own body heat that is kept inside by the igloo. This heat ultimately comes from food you ate that gets turned into energy to warm up your body.

If you ate fruits/veggies, or an animal that ate them, the sun allowed the plants to grow, so the sun is actually keeping you warm in a strange way.

Ice by itself is a very poor insulator (allows cold temperature to easily transfer inside) and would make you cold faster than your body could produce heat. However, an igloo is made from compressed snow that has lots of air pockets. It is the air pockets that keep you insulated the most. The concept is true with a down blanket or jacket.

Igloos also keep the wind out. People enter them from underground to keep the wind from coming inside. Not having wind is very important to keep your body warmer.
answered Jun 20, 2017 by whizkid (57,980 points)
selected Jun 20, 2017 by arKZo
+1 vote
The igloo traps the existing heat.
answered Jun 20, 2017 by L (61,220 points)

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