Inquiry, History of Life, Earth's Structure

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Across
  1. 3. Point on Earth's surface directly above the focus
  2. 7. Data expressed in words
  3. 8. Forms from intense heat and pressure
  4. 12. Process by which organisms with best adaptations survive and reproduce
  5. 14. Procedure designed to test a hypothesis
  6. 15. S waves, second fastest seismic wave, does not travel through liquid
  7. 18. Lines on a topographic map that show elevation
  8. 19. Scientist who studies fossils to learn about organisms of the past
  9. 23. Expected to change when the independent variable changes
  10. 27. Soft layer in mantle that flows like liquid
  11. 29. Possible answer to scientific question
  12. 31. Characteristic or trait that helps an organism survive in a given environment
  13. 32. Rock from magma below the surface
  14. 33. Rock of the ocean floor
  15. 34. Older and thicker part of crust, makes up continents
  16. 38. Forms from layers of sediment that have cemented together
  17. 40. Forms when buried organism decays but leaves its shape as hollow space in rock
  18. 41. Forms when molten rock cools and hardens
  19. 42. Mineral that contains useful substances
  20. 43. Crust and rigid part of mantle, broken into tectonic plates
Down
  1. 1. Preserved remains or traces of organisms that lived in the past
  2. 2. Rock from lava above the surface
  3. 4. Division of Eons, 2nd longest in geologic time scale
  4. 5. Solid that occurs naturally and has a definite chemical composition
  5. 6. Group of similar organisms that can mate with each other and produce fertile offspring
  6. 7. Data expressed in numbers
  7. 9. Information you gather with your senses
  8. 10. Explanation or interpretation based on observation and experience
  9. 11. Region where one plate slides under another plate
  10. 13. Variable that is changed by the experimenter
  11. 15. Slowest seismic wave, causes the most damage
  12. 16. Opening through which magma escapes
  13. 17. Underground point where energy is released in earthquake
  14. 20. Boundary where two plates collide
  15. 21. Boundary where two plates pull apart
  16. 22. Identical conditions to those of the control group
  17. 24. Force that pushes rock masses in opposite directions
  18. 25. Era/"age of the dinosaurs"
  19. 26. Describes age of object or even in comparison to another object or event
  20. 28. P waves, fastest seismic wave
  21. 30. Force that pulls rock apart
  22. 34. Represents normal conditions for the experiment
  23. 35. Fossil of an organism that existed for only short period of time and lived in many places on Earth
  24. 36. Boundary where plates slide past each other
  25. 37. Current era, "age of mammals"
  26. 39. Earth's innermost layer