environment

12345678910
Across
  1. 3. a long stream of water
  2. 8. to move back and forth quickly
  3. 9. a small raised area of land
  4. 10. a field where corn grows
Down
  1. 1. hot flames that burn
  2. 2. sandy land next to the ocean
  3. 4. a very high hill
  4. 5. soft gray powder left after something burns
  5. 6. a big area of water surrounded by land
  6. 7. a mountain that can erupt with hot lava