NASA

Fill-in-the-Blanks Exercise

Choose from the words below (A-J) to fill in the blanks.

  1. When a glacier flows over a steep drop-off, an _____ ______ of jumbled and broken ice is created.
  2. A ____________ is an open crack in the glacier surface.
  3. During the metamorphic process that changes snow to glacier ice, individual layers or bands of ice crystals, called ______________, are produced.
  4. A __________ is a tower of ice surrounded on all sides by crevasses.
  5. A glacier is said to _________ when it begins to flow 100 to 1000 times faster than it normally goes.
  6. The _____________ is the snout, end, or leading edge of a glacier.
  7. French for mill, a __________ is a hole or tube in a glacier into which water flows.
  8. The _______ is the area of a glacier covered with snow throughout the year.FA pothole which is sometimes filled with water in a glacier is called a ___________.
  9. A ____________ is a glacial deposit of rocks and debris that forms through direct action or contact with glacier ice.

  1. Kettle
  2. Serac
  3. Névé
  4. Crevasse
  5. Moraine
  6. Ice Fall
  7. Surge
  8. Moulin
  9. Foliations
  10. Terminus