Science term crossword

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Across
  1. 2. a list of all symbols with their appointed meanings
  2. 4. relates distance from real life to a map
  3. 8. difference in elevation between highest and lowest points
  4. 10. distant north or south of the equator
  5. 12. connect equal points of elevation
  6. 13. one half of a sphere
Down
  1. 1. shapes or pictures used on maps to represent something
  2. 3. a landform that has high elevation but low relief
  3. 5. meridian imaginary line that runs north and south
  4. 6. height above sea level.
  5. 7. imaginary line that runs east and west
  6. 9. contain information on color and brightness of a part of Earth's surface
  7. 11. distant east or west of the prime meridian
  8. 14. a landform with high relief and high elevation
  9. 15. a landform with low relief