Geology on Mars Vocabulary

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Across
  1. 2. the mixture of gases surrounding a planet
  2. 9. the way that scientists communicate, evaluate, and revise their explanations about the natural world
  3. 10. a long, narrow groove that forms where water, lava, or other liquid flows
  4. 11. the process of making clear how your evidence supports your claim
  5. 12. all the liquid water and ice on a planet
  6. 14. a set of interacting parts forming a complex whole
Down
  1. 1. a proposed answer to a question about the natural world
  2. 3. information about the natural world that is used to support a claim
  3. 4. having the conditions necessary to support life
  4. 5. an event or series of events that causes changes in the geosphere, such as flowing water or flowing lava
  5. 6. solid part of a rocky planet
  6. 7. all the living things on a planet
  7. 8. a feature that forms on the surface of a planet, such as a mountain, channel, or sand dune
  8. 13. type of planets with a solid surface, such as Earth or Mars