earth science unit 1

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Across
  1. 2. used to compare the number of one thing to another
  2. 4. holds the gases around the earth in place
  3. 6. must be supported by evidence
  4. 10. observations that are measurable
  5. 13. the gases around the earth
  6. 14. an educated testable guess
  7. 15. middle layer of earth contains most of the mass
  8. 16. the information you gather from your experiment and observations
  9. 17. most energy within all earth systems originated here
  10. 18. without bias
  11. 20. the study of the atmosphere, including weather patterns
  12. 21. another word for question
Down
  1. 1. the thing that responds to your experiment
  2. 3. an organized objective process to answer a question or solve a problem
  3. 5. the innermost layer of the earth
  4. 6. thinnest outermost layer of the earth
  5. 7. observations that are not measurable
  6. 8. used to showed percentages
  7. 9. best graph to show change over time
  8. 11. studies the universe around the earth
  9. 12. the solid part of the earth
  10. 19. all the earth's water from underground to the atmosphere including each part of the water cycle