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The Scientific Method

The Scientific Method. scientific method noun :principles and procedures for the systematic pursuit of knowledge involving the recognition and formulation of a problem, the collection of data through observation and experiment, and the formulation and testing of hypotheses. The Problem: .

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The Scientific Method

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  1. The Scientific Method scientific method noun :principles and procedures for the systematic pursuit of knowledge involving the recognition and formulation of a problem, the collection of data through observation and experiment, and the formulation and testing of hypotheses

  2. The Problem: I’m going to be late.....AGAIN! problemnoun : a question raised for inquiry, consideration, or solution Example: You go to leave for school in the morning and your car won’t start

  3. Observations & Background Research observationnoun : an act of recognizing and noting a fact or occurrence researchnoun :the collecting of information about a particular subject Hi Mr. Beardsley! I’m having car trouble. My car won’t start and the lights won’t come on either

  4. Hypothesis hypothesisnoun : an educated guess The Battery is Dead

  5. Experiment experimentnoun : an operation or procedure carried out under controlled conditions in order to test a hypothesis WEAR GOGGLES! BATTERIES CONTAIN SULFURIC ACID!

  6. Collect Data datanoun : factual information such as measurements Make more observations Are my lights coming on? Is the engine turning over?

  7. Only test one variable at a time!

  8. Draw Conclusions conclusionnoun : a reasoned judgment or inference My hypothesis was correct! Thanks Mr. Beardsley!

  9. Theory theorynoun : a scientifically accepted general principle or body of principles offered to explain phenomena or a scientific model If a hypothesis is tested repeatedly and experimentation always leads to the same conclusion, a theory may be developed.

  10. Law law noun : a statement of an order or relation of phenomena that so far as is known is invariable When a theory can be proven with no doubts

  11. The Scientific Method http://www.sciencebuddies.org/science-fair-projects/project_scientific_method.shtml http://en.wikipedia.org/wiki/Scientific_method

  12. Standards for Technological LiteracyStandard 8: Attributes of Design The engineering design process includes • Defining a problem, • Brainstorming, • Researching and generating ideas, • Identifying criteria and specifying constraints, • Exploring possibilities, • Selecting an approach, • Developing a design proposal, • Making a model or prototype, • Testing and evaluating the design using specifications, • Refining the design, • Creating or making it, and • Communicating processes and results NOTE: The process is iterative and different steps are revisited as necessary in order to arrive at a solution.

  13. NASA Model of Engineering Design Process

  14. Tufts University Example of Engineering Design Process

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