Types of house

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Across
  1. 1. This house is above the water. (s......)
  2. 3. This house is not connected to any other building. (d.........)
  3. 6. A house with only one floor.(b........)
  4. 7. This house is built in a tree. (t........)
  5. 8. This house is a big round tent.
Down
  1. 2. This house can travel along a river or canal. (h.....)
  2. 4. This house is old and enormous. (c.......)
  3. 5. This home is one floor of a building. It has some rooms but no stairs.(a.......)