Earth Science Chapter 1 Crossword

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Across
  1. 2. anything that occupies space or has substance
  2. 5. if a theory has never been proven false, scientists will call it a ________
  3. 6. condition that stays the same in both the control group and the experimental group
  4. 9. conditions present only in an experimental group
  5. 12. break down
  6. 15. educated guess
  7. 16. material derived from living organisms
  8. 17. method used by scientists to test a hypothesis
  9. 20. an organized way for scientists to gather and pursue scientific knowledge is known as the scientific _______
  10. 23. right below topsoil
  11. 25. top 2-6 inches of soil
Down
  1. 1. after many experiments and observations are completed, scientists may use their conclusions to formulate a ____
  2. 2. material derived from nonliving matter
  3. 3. has smaller particles than sand and feels like flour
  4. 4. soil layer
  5. 7. involves gathering data about nature in an orderly way
  6. 8. coarse and gritty with large, easily seen particles
  7. 10. mixture of silt, sand, clay, humus
  8. 11. process that breaks rocks down into soil
  9. 13. scale used to express the degree of acidity or basicity of a substance
  10. 14. the study of the matter and movement of God's physical creation
  11. 18. study of soil
  12. 19. chart used by pedologists
  13. 21. composed of decayed organisms' particles
  14. 22. has the smallest particles
  15. 24. below subsoil