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Topic: Scientific investigations/repeatability  

Science

 Standard 11.  Understands the nature of scientific knowledge
  Level I (Grade K-2)
   Benchmark 1.Knows that scientific investigations generally work the same way in different places and normally produce results that can be duplicated
    Knowledge/skill statements
     1.Knows that scientific investigations generally work same way in different places
     2.Knows that scientific investigations normally produce results that can be duplicated
  Level II (Grade 3-5)
   Benchmark 1.Knows that although the same scientific investigation may give slightly different results when it is carried out by different persons, or at different times or places, the general evidence collected from the investigation should be replicable by others
    Knowledge/skill statements
     1.Knows that the same scientific investigations may give slightly different results when done by different people
     2.Knows that the same scientific investigations may give slightly different results when done at different times
     3.Knows that the same scientific investigations may give slightly different results when done at different places
     4.Knows that the general evidence collected from investigations should be replicable by others