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Topic: System function 

Technology

 Standard 5.  Understands the nature and operation of systems
  Level I (Grade K-2)
   Benchmark 1.Knows that most things are made of parts and they may not work if some parts are missing
    Knowledge/skill statements
     1.Knows that most things are made of parts
     2.Knows that things may not work if some parts are missing
  Level II (Grade 3-5)
   Benchmark 2.Knows that things that are made of parts may not work well if a part is missing, broken, worn out, mismatched, or misconnected
    Knowledge/skill statements
     1.Knows that things that are made of parts may not work well if a part is missing
     2.Knows that things that are made of parts may not work well if a part is broken
     3.Knows that things that are made of parts may not work well if a part is worn out
     4.Knows that things that are made of parts may not work well if a part is mismatched
     5.Knows that things that are made of parts may not work well if a part is misconnected
  Level III (Grade 6-8)
   Benchmark 1.Knows that a system can include processes as well as components
    Knowledge/skill statements
     1.Knows that a system may include a process
     2.Knows that a system may include components
  Level IV (Grade 9-12)
   Benchmark 1.Knows that a system usually has some properties that are different from those of its parts, but appear because of the interaction of those parts
    Knowledge/skill statements
     1.Knows that a system usually has some properties that are different from those of its parts
     2.Knows that the properties of a system appear because of the interaction of those parts