CHAPTER ONE NATURAL SCIENCE

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Across
  1. 1. known as a life-giving gaseous envelope
  2. 3. the interiors of continents
  3. 7. submerged volcanic structures
  4. 9. the rigid outer layer that includes the crust and uppermost mantle.
  5. 11. it contains weak rocks
  6. 13. the study of Earth
  7. 14. a tentative (or untested) explanation
  8. 16. contains all life on Earth
Down
  1. 2. a dynamic mass of water
  2. 4. the study atmosphere
  3. 5. it contains the continental shelf and islands.
  4. 6. the study of the ocean
  5. 8. the study of the universe
  6. 10. they are made of deformed igneous and metamorphic rocks
  7. 12. the elevated status of a Hypothesis
  8. 15. it is a group of interacting, or interdependent, parts that form a complex whole.