Chapters 1, 2 and 3 Vocabulary Crossword

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Across
  1. 4. Size and shape of the land surface
  2. 5. The study of the universe
  3. 7. Part of Earth that is water
  4. 10. Explanation supported by observation & experimentation
  5. 12. Study of the ocean and what lives there
  6. 14. Distance east or west of the prime meridian
  7. 15. Part of Earth where life exist
  8. 16. Factor that changes as a result of other factor(s)
  9. 17. Factor that is deliberately changed in an experiment
  10. 18. Study of the origin, history and structure of Earth
Down
  1. 1. Distance north or south of the equator
  2. 2. Mostly solid, rocky part of Earth
  3. 3. Line that connects points of equal elevation
  4. 6. Study of Earth’s weather and climate
  5. 8. Difference of distance shown on map and real distance
  6. 9. List of map symbols and their meanings
  7. 11. An idea or observation that can be tested
  8. 13. Mixture of gases that surround a planet or moon