Seton Science 7 Ch2 Test

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Across
  1. 2. this type of generation is the theory that life can arise from non living matter
  2. 3. the scientist who proved the theory of spontaneous generation to be mistaken
  3. 7. the group in an experiment that does not receive the drug for example
  4. 8. the scientific ______ is characterized by observation, hypothesis, and experimentation
  5. 10. a proposed explanation concerning how something works
  6. 11. This type of science is the systematic knowledge of the material world gained through observation and experimentation
  7. 12. the method in which one group of Lab Rats receives a proposed new drug and the other doesn’t is known as the method of _____
  8. 13. Scientists always use experimental _____as a basis for studying comparisons
Down
  1. 1. the characteristic of a hypothesis that if it is not true it can be disproved
  2. 4. two things a new theory must be in order to be accepted by the world of science is both consistent and_____________
  3. 5. A rigorous precise systematic process to prove or disprove an explanation of how something works
  4. 6. this type of variation is a method used by scientists to measure the amount of change
  5. 7. what scientists arrive at by reproducing their results through repeated experimentation--scientifically verifiable ________________
  6. 9. a logical explanation of how something works
  7. 10. to avoid reaching faulty conclusions, scientists conduct as many as a ______ trials