sphere- graph-

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Across
  1. 4. A message sent long distance
  2. 5. A famous person signing his/her name
  3. 10. Our population
  4. 11. Study of handwriting (or graphs)
  5. 13. The visible part of the sun
  6. 15. The solid part of the Earth
Down
  1. 1. A paper or book about one thing
  2. 2. Writing 5-8 sentences on one topic
  3. 3. Air and climate that surrounds the Earth
  4. 6. Writing in fancy handwriting
  5. 7. The water surrounding the Earth
  6. 8. Part of the Earth's surface where living things are
  7. 9. Half of the Earth
  8. 12. A very common mineral that you can write with
  9. 14. Having a spherical shape