THE NATURAL WORLD

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Across
  1. 1. The region of the atmosphere and outer space seen from the Earth.
  2. 3. A piece of land completely surrounded by water.
  3. 5. Water that falls down from a high place like a cliff.
  4. 7. A mountain or hill with a crater or vent through which lava, rock fragments, and gases erupt.
  5. 9. A big hill that reaches up high into the sky
  6. 10. A hot, dry place with lots of sand and very few plants.
Down
  1. 1. A big body of salty water, smaller than an ocean.
  2. 2. A long stream of water that flows and moves.
  3. 4. A forest that gets lots of rain and has many trees and animals.
  4. 6. A big pool of water surrounded by land.
  5. 8. A place with lots of sand next to the sea or a lake.