In nature

123456789101112
Across
  1. 6. A big area of water surrounded by land
  2. 7. A very dry place with lots of sand
  3. 9. Water that flows in a long line
  4. 11. A small bump on the land
  5. 12. A huge area of salty water
Down
  1. 1. Water that falls from a high place
  2. 2. A big open space of grass
  3. 3. A very big hill
  4. 4. A small way to walk
  5. 5. A door you open to enter a yard
  6. 8. A small river
  7. 10. Something you can find on the ground and is very hard