Crossword Puzzle Vocabulary

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Across
  1. 3. A visual representation that shows all or part of the Earth's surface with geographic features, urban areas, roads, and other details.
  2. 5. 24 hours occur.
  3. 7. an area of land, usually in very hot climates, that consists only of sand, gravel, or rock .
  4. 13. A small green area in a desert region, usually having a spring or well.
  5. 16. A large expanse of fairly flat dry land, usually with few trees.
  6. 17. The bed of a stream, river, or other waterway.
  7. 18. The imaginary great circle around Earth, which divides Earth into the northern and southern hemispheres.
Down
  1. 1. To provide protection from winds, waves, and currents.
  2. 2. A hollow sphere representing Earth and illustrated with the continents, seas, and islands.
  3. 4. A body of water forming an indentation of the shoreline, larger than a cove but smaller than a gulf.
  4. 6. The line about which a rotating body, such as the earth, turns.
  5. 7. A unit of measurement for planar angles, equal to a 360th of a full revolution. Symbol °
  6. 8. A tract of wet, spongy land.
  7. 9. A tract of land completely surrounded by water, and not large enough to be called a continent.
  8. 10. The place where a stream or river enters a sea or lake.
  9. 11. A vent in the earth's crust through which lava, steam, ashes, etc., are expelled.
  10. 12. A deep valley with steep sides, often with a stream flowing through it.
  11. 14. A narrow strip of land, bordered on both sides by water, connecting two larger bodies of land.
  12. 15. An artificial waterway for navigation, irrigation, etc.
  13. 19. A natural stream of water.