Avalanche!

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Across
  1. 1. A _____ avalanche happens when the dry, weak layer of snow is on the top of a snowpack.
  2. 2. A 12-year old boy survived for ______ minutes buried under an avalanche.
  3. 4. "Avy" dogs begin their training when they are _______.
  4. 7. ____________ are a dog breed often trained as avalanche rescue dogs.
  5. 9. Most avalanches in the U.S. occur in the _____ Mountains.
Down
  1. 1. The ideal _____ for an avalanche is 30-50 degrees.
  2. 3. Don't try to ______ an avalanche!
  3. 5. An avalanche is a big pile of ____ that slides down a slope.
  4. 6. A ____ avalanche happens when the weak layer of snow is buried deep in the snow pile.
  5. 8. Snow on a mountain needs a _______ to cause an avalanche.