science part 1

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Author:
lngray82
ID:
220877
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science part 1
Updated:
2013-05-23 19:30:35
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ATI edition
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Description:
teas entrance exam
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  1. list two reasons for conducting scientific investigations.
    1) Establishing procedures

    2) Improving the quality of life
  2. An example of an investigation that has led to radically new designs that improve the quality of life?
    1) prosthetics

    2) artificial organs
  3. Quantitative is????
    relating to numbers
  4. The possible explanation formulated to answer questions that are being investigated  It involves making predictions that follow from the initial statement of the problem
    hypothesis
  5. The six rules  of logic that govern the scientific method.
    • 1) problem identification
    • 2) question asking
    • 3) hypothesis development
    • 4) data collection and experimentation
    • 5) Analysis
    • 6) conclusion
  6. The collecting of data throughout the scientific process to test the hypothesis or predictions in a controlled environment? (pretty obvious)
    Data collection   <wowzers that was hard>
  7. comparing a control group and an experimental group. Both groups are equal in size and are compared to understand the effect the variable has on the experimental group.
    Experimentation
  8. comparing the data from the experiment and to determine if the data is reliable and whether or not it supports the hypothesis.
    Analysis
  9. When the data supports or does not; the hypothesis in a experiment you are then able to.....
    develop a conclusion
  10. How can scientific argument change over time?
    possible answers include that a bias may be shown or that the results can not be repeated.
  11. Give 2 reasons why scientific research is dependent on technology?
    • 1) data is recorded in numbers
    • 2) relationships are established by graphs and formulas....
    • extra:   numerical models are used to describe mathematical relationships
  12. a method whereby conclusions follow from general principles.
    Deductive reasoning, <leads to a specific conclusion)
  13. a method of arriving at general principles from specific facts
    inductive reasoning (relies heavily on a preponderance of information that leads to a certain degree of confidence in a conclusion.
  14. The smallest parts of elements that still retain all original properties of the element are called?
    an atom
  15. a chemical bonding of atoms  that possesses its own characteristics independent of the atoms themselves.
    molecule
  16. The basic unit of life is called?
    cell
  17. cells that combine in terms of function and type to form....
    tissues
  18. two or more tissue types work together to perform a specific function.....?
    organ
  19. When organs work together to perform a task is called a
    organ system
  20. The highest level of organiztion is???
    organism
  21. The result of all organ systems working together within the body is called?
    organism

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