Glacier! 2

David B. (United States of America)
18 words 56 learners

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Full list of words from this list:

words only definitions & notes
  1. ice cap
    a mass of ice and snow that permanently covers a large area of land (e.g., the polar regions or a mountain peak)
    Pictures of the polar ice caps taken in different years look very different from each other.
  2. pack ice
    a large expanse of floating ice
    When it has all packed down into one giant sheet, it is called pack ice or sea ice.
  3. ablation
    the erosive process that reduces the size of glaciers
    This is called ablation.
  4. ice age
    a period when glaciers cover much of the Earth's surface
    Scientists think that there was one ice age about 600 million years ago, but they don't know much about that one.
  5. glacier
    a slowly moving mass of ice
    Eventually it turns into glacier ice.
  6. calving
    giving birth to a baby cow, whale, elephant, etc.
    When an iceberg breaks loose from a glacier, it is called calving.
  7. iceberg
    a large frozen mass floating at sea
    This is where icebergs form.
  8. float
    be on or below a liquid surface and not sink to the bottom
    Ice that floats on the ocean is called sea ice, but there are also different names for sea ice at different stages.
  9. polar
    of or existing within the Arctic or Antarctic Circles
    Pictures of the polar ice caps taken in different years look very different from each other.
  10. Antarctic
    the region around the south pole: Antarctica and surrounding waters
    5 Glaciers are not all in the Arctic and Antarctic regions.
  11. accumulation
    a gain or increase in something over time
    This is called accumulation.
  12. Arctic
    the regions to the north of the Arctic Circle centered on the North Pole
    5 Glaciers are not all in the Arctic and Antarctic regions.
  13. melt
    reduce or cause to be reduced from a solid to a liquid state
    At least in many places, snow falls, and then it soon melts away.
  14. edge
    a line determining the limits of an area
    At the top edge, new ice is constantly being added.
  15. dense
    having high compaction or concentration
    Ordinary ice usually looks white, and that is mainly from all of the tiny air bubbles in ice, but very dense glacier ice becomes a beautiful blue.
  16. temperature
    the degree of hotness or coldness of a body or environment
    These are located in valleys between high mountains, where the temperatures are cold enough to keep the glacier ice frozen.
  17. sea
    a large body of salt water partially enclosed by land
    Ice that floats on the ocean is called sea ice, but there are also different names for sea ice at different stages.
  18. thick
    not thin
    Pancake ice consists of thicker, round plates that turn up at the edges and look a little like pancakes.
Created on Tue May 10 21:32:41 EDT 2011 (updated Wed May 02 11:07:19 EDT 2012)

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