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Monday, January 25, 2010

Antarctica

We are currently learning about Antarctica. 
Today we learned about summer and winter. The coldest and warmest temps.
We also learned about the early explorers. 
Here are some beautiful pictures a friend sent me.     


Amazing   striped icebergs!


Icebergs   in the Antarctic area sometimes have stripes,   formed by


layers of  snow that react to  different  conditions.


Blue stripes  are  often created when a crevice in the ice   sheet


fills up  with meltwater and freezes so  quickly that no bubbles  form.


When an   iceberg falls into the sea, a layer of salty   seawater  can
freeze to  the underside. If this  is rich in algae, it can form  a
green   stripe.

Brown, black  and yellow lines are  caused by sediment, picked  up
when the ice   sheet grinds downhill towards the   sea.








Antarctica Frozen   Wave Pixs - Nature is   amazing!


The   water froze the instant the wave broke through   the ice.  That's  what it is like in  Antarctica  where it  is  the
coldest   weather in decades. Water freezes the   instant it  Comes in contact with the air.. The temperature of the water is already some degrees below  freezing.

Just   look at how the wave froze in mid-air!!!