Vocabulary

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Across
  1. 6. the liquid water and ice on a planet
  2. 9. the conditions necessary to support life.
  3. 10. set of interactions parts forming complex whole.
  4. 11. of gases surrounding a planet
Down
  1. 1. and observations that support the claim
  2. 2. the action of think about something in logic
  3. 3. answer to the question or problem.
  4. 4. the living things on earth
  5. 5. and minerals on the earth
  6. 7. Planets- any planet with a solid surface, such as earth or
  7. 8. how the evidence supports the claim.