polar regions Flashcards
what do the polar regions consist of?
arctic and antarctica
what is antarctica
a continent covered in ice
climate of polar regions:
long, cold winters
cool, short summers
why do the polar regions spend half a ye at in darkness?
the earths tilt
what does the earths tilt do?
makes the polar regions spend half a year in light and half in darkness
how much rainfall do they get in polar regions?
less than 250mm
temperature variation in poles
-46C - 26C
what makes the arctic warmer?
the sea which stays above -2C
the ___ stream brings warmer weather to the arctic
gulf
what ensures the cool weather stays in antarctica?
circumpolar winds and currents travelling around
what is the highest continent in the world?
Antarctica - the temp falls as altitude falls