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SCIENTIFIC INQUIRY

SCIENTIFIC INQUIRY. -Diverse ways in which scientists study the natural world and propose explanations based on the evidence they gather. PROBLEM. Posing a PROBLEM or QUESTION : Examples: Why has my CD player stopped working? What kind of music should I listen to on my CD player?

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SCIENTIFIC INQUIRY

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  1. SCIENTIFIC INQUIRY -Diverse ways in which scientists study the natural world and propose explanations based on the evidence they gather.

  2. PROBLEM • Posing a PROBLEM or QUESTION: Examples: • Why has my CD player stopped working? • What kind of music should I listen to on my CD player? - Which question above is not a scientific question?

  3. DEVELOPING A HYPOTHESIS • A hypothesis is a possible explanation for a set of observations or answer to a scientific question. • In science , a hypothesis must be testable!

  4. DESIGNING AN EXPERIMENT • Experiments must contain the following steps to be considered "good science." 1. A scientist must keep track of the information by recording the data. The data should be presented visually, if possible, such as through a graph or table. 2. A control must be used. That way, results can be compared to something. 3. Conclusions must be drawn from the results. 4. Errors must be reported.

  5. VARIABLES • Variables are factors that can change in an experiment • Control experiment: An experiment in which only one variable is manipulated. • Ma nipulated/ Independent Variable: The one variable that is purposely changed to test the hypothesis • Responding/dependent Variable: The factor that may change in response to the manipulated variable/

  6. COLLECTING AND ANALYZING DATA • Data are the facts, figures, and other evidence gathered through observation, • As data is collected, it should be presented neatly in a table.

  7. GRAPHING RESULTS • Graphs are a useful tool to interpret data that has been collected. • Graphs reveal patterns or trends in data. • There are many forms of graphs and charts that can be used to interpret data.

  8. DRAWING CONCLUSIONS • Conclusion: A summary of what you have learned from an experiment. • Conclusions state whether a hypothesis was correct or incorrect.

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