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Enhancing Problem-Solving Skills in Science through Factor Label Method

Learn how to apply the factor label method to solve complex science problems by identifying facts, analyzing solutions, and evaluating results through unit conversions and derived units.

jamesecampbell
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Enhancing Problem-Solving Skills in Science through Factor Label Method

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  1. PROBLEM SOLVING IN SCIENCE

  2. PROBLEM SOLVING STRATEGIES • Identify the known facts. • Define the answer required. • Develop possible solutions. • Analyze these solutions and choose the correct one. • Develop the individual steps to arrive at the answer. • Solve the problem. • Evaluate the results.

  3. Problem Solving – The Factor Label Method • This method of problem solving treats the units as factors. • As with common factors, these labels may be divided out. • The problem solution must have the correct unit label. • This method provides a “check” on mathematical operations. • The individual conversion factors ( ratios whose value is equivalent to one ) may usually be written by inspection.

  4. The Three Parts of a Problem • A Known Beginning Given • A Desired End Find • A Connecting path or conversion method Factor

  5. SIMPLE UNIT CONVERSIONS • Given: 0.143 hours • Find: seconds • Factors: ___________________

  6. Simple Unit Conversions • Given: 0.84 m • Find: cm • Factors: _________________

  7. Simple Unit Conversions • Given: 31.5 cg • Find: mg • Factors: _____________________

  8. Simple Unit Conversions • Given: 65.22 mg • Find: g • Factors: _____________________________

  9. Simple Unit Conversions • Given: 718 nm • Find: cm • Factor:

  10. Derived Unit ConversionProblems • Given: 0.436 m3 • Find: cm3 • Factors:

  11. Derived Unit ConversionProblems • Given: 0.693 dm3 • Find: cm3 • Factors:

  12. Derived Unit ConversionProblems • Given: 9.06 km/h • Find: m/min • Factors:

  13. Derived Units • Given: 3.5 m/s • Find: cm/s • Factors:

  14. Derived Units • Given: 1.352 km/h • Find: mm/s • Factors:

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