Life on Mars, Life in the Spheres, CER's

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Across
  1. 5. used to represent another object
  2. 6. 2 words which deals with flowing lava and water
  3. 7. represents your answer in a scientific method
  4. 9. used to support your claim
  5. 10. Sphere where you can find the gas hydrogen
  6. 12. means it is able to sustain life
  7. 14. substance need for all life to survive
Down
  1. 1. Sphere where you can find animals and plants
  2. 2. type of land built by flowing lava and/or water
  3. 3. 2 words Venus Mercury earth and mars
  4. 4. Sphere where you can find rivers and lakes
  5. 8. Sphere where land can be found
  6. 11. the main planet we are studying now
  7. 13. explaining how the evidence is tied to your claim