Landforms

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Across
  1. 2. Branch of a river
  2. 4. Piece of land surrounded by water
  3. 6. Flat, smooth area at a low elevation
  4. 10. Narrow strip of land connecting two bigger pieces of land between seas
  5. 12. Hot spring that spouts jets of steam and water
  6. 14. Specific natural feature on the Earth's surface
  7. 15. Small lake near a larger body of water
  8. 19. Piece of land surrounded by water on 3 sides
  9. 20. Natural underground space large enough for a human to enter
Down
  1. 1. Large mass of moving ice
  2. 3. Deep, narrow valley with steep sides
  3. 5. Wetlands where the river empties water and sediment into another body of water
  4. 7. Group of islands
  5. 8. Mound, ridge, or hill of sand formed by water and wind
  6. 9. Landmass that forms as tectonic plates interact with each other
  7. 11. Low-lying ground where water collects
  8. 13. Opening in the Earth's crust that allows hot magma and ash to escape from below Earth's surface
  9. 16. Large part of the sea
  10. 17. Sections of a plateau that have eroded away and have cliffs on all 4 sides; wider than it is tall
  11. 18. Deep inlet of the sea mostly surrounded by land, with a narrow mouth