General Science Mid-Term Vocabulary

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Across
  1. 4. The calculated age of an artifact from a specific dating method that is used to determine when the object was made.
  2. 11. record The sum total of all fossil records.
  3. 14. A historical test that attempts to determine whether or not a document contradicts other established sources of history.
  4. 15. An aspect of an experiment that changes during the course of the experiment.
  5. 16. The length of a straight line that travels from one side of a circle to another and passes through the center of the circle.
  6. 19. The age of an artifact as determined by a date printed on it or a reference to the artifact in a work of history.
  7. 20. A push or pull exerted, on an object in an effort to change that objects velocity.
  8. 22. The view that most of the earth’s geological features are the result of slow geologic processes that have been at work for millions or even billions of years.
  9. 26. Experiments in which the participants do not know whether or not they are part of the control group.
  10. 27. The idea that living organisms can be spontaneously formed from non-living substances.
  11. 30. A term applied to a species that was once living but now is not.
  12. 31. When the artifacts are found in rock or earth that is layered, the deeper layers hold the older artifacts.
  13. 33. The level at which a person begins to consider pain uncomfortable.
  14. 35. machines A device that either multiplies or redirects a force.
  15. 36. A term that encompasses all scientific pursuits related to living organisms.
  16. 37. An endeavor dedicated to the accumulation and classification of observable facts in order to formulate general laws about the natural world.
  17. 38. The view that most of earth’s geological features are the result of large scale catastrophes such as floods, volcanic eruptions, etc.
  18. 39. The conversion of organic material into rock.
  19. 41. The benefit of the doubt is to be given to the document itself, not assigned by the critic himself.
  20. 42. A theoretical picture in which layers of rock from around the world are meshed together into a single, unbroken record of earth’s past.
  21. 47. An ancient form of paper, made from a plant of the same name.
Down
  1. 1. No opinion can affect the experimental results.
  2. 2. A surface of erosion that separates one layer of rock from another.
  3. 3. The distance around a circle, equal to 3.1416 times the circle’s diameter.
  4. 4. Air slows objects as they fall.
  5. 5. The process by which rocks are broken down to form sediments.
  6. 6. An example that contradicts a conclusion.
  7. 7. The decayed remains of once living creatures.
  8. 8. The ability of a liquids surface to resist a force applied to it due to the attraction between the liquids molecules.
  9. 9. Strange looking fish that had bony plates over their heads rather than scales and are also assumed to be extinct.
  10. 10. The variable or part of the experiment to which all others will be compared.
  11. 12. Distinct layers in the soil and or rock.
  12. 13. Creatures that live both in and out of water.
  13. 16. Experiments in which neither the participants nor the people analyzing the results know who is in the control group.
  14. 17. The study of earth’s history as revealed in the rocks that have made up the earth.
  15. 18. Objects made by people, such as tools, weapons, containers, etc.
  16. 21. The study of life’s history revealed in the preserved remains of once living organisms.
  17. 23. Fossils that are assumed to represent a certain period in earth’s past.
  18. 24. The process of counting tree rings to determine the age of a tree.
  19. 25. advantage The amount by which force or motion is magnified in a simple machine.
  20. 26. A historical test that that attempts to determine whether or not the version of the document that exists is a faithful representation of the original.
  21. 27. A theory that has been tested by and is consistent with generations of data.
  22. 28. A theory setting that all life on this earth has one (or a few) common ancestor(s) that existed a long time ago.
  23. 29. An educated guess that attempts to explain an observation or answer a question.
  24. 32. Using a radioactive process to determine the age of an item.
  25. 34. A historical test that attempts to determine whether or not a document contradicts itself.
  26. 39. Fake pills usually made out of sugar.
  27. 40. The study of past human life as revealed by preserved relics.
  28. 43. The process by which rock and soil are broken down and transported away.
  29. 44. Inorganic crystalline substances found naturally in the earth.
  30. 45. A hypothesis that has been tested with a significant amount of data.
  31. 46. A thick, slow flowing liquid produced by plants that can harden into a solid.