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Scientific Method
Development and steps in the scientific method
Question | Answer |
---|---|
What are the main steps of the Scientific Method? | Observation > Hypothesis > Experiment > Result > Interpretation > Conclusion |
What is the definition of the scientific method? | The scientific method is an ordered and logical approach to a problem involving a series of steps. |
Observation | Noticing an event and asking why |
Hypothesis | A suggested explanation for the event |
Prediction | Forecast the outcome of an experiment based on the hypothesis |
Result | Recording what happened during the experiment |
Conclusion | What has been learnt from the experiment. Has the hypothesis been confirmed or not |
Communication | Writing a report and publishing it for other scientists to replicate |
How do we make scientific experiments fair? | 1: Large Sample Size. 2: Random Selection. 3: Double Blind Testing |
What term do we associate with double blind testing? | "The Placebo Effect": This occurs when a persons mind has powerful effects on the body's health regardless of the drugs given. |
What is the difference between qualitative and quantitative data? | Qualitative data is data without measurement. Quantitative data is data with measurements. |
What is the difference between Independent Variable and Dependent Variable? | An independent variable is a variable we can change. The dependent variable changes in response to the independent variable. |
Constant | A factor that does not change during the experiment |
Control | A control is used to provide a standard against which the experiment can be judge. |
Limitations of the scientific method? | 1:We are limited by the extent of our ability to interpret results correctly. 2: Results can be made accidentally. |
Who developed a vaccine against small pox? What minor infection did he use to create his vaccine? | Edward Jenner. Cow Pox |