The Scientific Method
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(Redirected from Process of the Scientific Method)
The scientic method is a process of investigation in which problems are identified & their suggested eplanations are tested by carring out experiments
Contents |
Introduction to Biology
Science is the organized & objective study of the physical, material & living world. Biology is the study of living things. areas to study: Botany,Zoology,micrology,toxanamy,anotmy,physiology,cutoolgy,biochemistry.ecology & genetics.
Process of the Scientific Method
this knowledge is obtained by asking questions and then searching for the relevent answers to these questions.
- Observation
- Hypothesis
- Experiment
- Collection & interpretation of data.
- Conclusion
- relating the conclusion to existing knowledge
- reporting & publishing the results. Gay
The Principles of Experimentation
- Careful design and planning.
- Safety
- Design a control experiment.
- The experiment must be fair. This can be ensured by:
- Uing the method of double blind testing in experiments such as drug trials. - Using a large sample size. - Random selection of participants. - Others must be able to replicate your experiment.
Relevant Exam Questions
2008 HL, Section A, Question 3 (20 marks). Answer the following, which relate to the scientific method, by completing the blank spaces.
- (a) As a result of her observations a scientist may formulate a _____________. She will then progress her investigation by devising a series of _____________ and then carefully analysing the resulting _____________.
- (b) Why is a control especially important in biological investigations?
- (c) If a scientist wished to determine the effect of a certain herbicide on weed growth she would include a control in the investigation. Suggest a suitable control in this case.
- (d) The use of replicates is an important aspect of scientific research. What, in this context, are replicates?
- (e) Suggest where a scientist may publish the results of her investigations.
