Geology on Mars Study Guide

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Across
  1. 2. having the conditions necessary to support life
  2. 4. an object, diagram, or computer program that helps us understand something by making it simpler or easier to see
  3. 7. the process of making clear how your evidence supports your claim
  4. 8. a feature that forms on the surface of a planet, such as a mountain, channel, or sand dune
  5. 9. any planet with a solid surface, such as Earth or Mars
  6. 12. an event or series of events that causes changes in the geosphere, such as flowing water or flowing lava
  7. 13. all the living things on a planet
  8. 14. the solid part of a rocky planet
  9. 15. information about the natural world that is used to support or go against (refute) a claim
  10. 17. a claim supported by evidence
Down
  1. 1. a scientist who studies the geospheres of planets in our solar system
  2. 3. the mixture of gases surrounding a planet
  3. 5. a long, narrow groove that forms where water, lava, or other liquid flows
  4. 6. all the liquid water and solid water (ice) on a planet
  5. 10. to notice how two or more things are alike or different
  6. 11. a set of interacting parts forming a complex whole
  7. 16. a proposed answer to a question about the natural world