Bear puzzle

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Across
  1. 1. A big tree where bears can scratch their backs
  2. 4. What a bear feels before scratching its back on a tree
  3. 7. A dark place where bears sleep in winter
  4. 8. A bear is one of these
Down
  1. 2. A fruit that bears might find and eat in the forest
  2. 3. A holiday when people give gifts, sometimes with teddy bears
  3. 4. Polar bears live on this frozen water
  4. 5. A sweet treat that bears love to eat
  5. 6. What bear cubs do when they play together