The Scientific Method (LC 2026) (Leaving Cert Biology): Flashcards
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Define: Scientific Method
Define: Scientific Method
Process of investigation: identify problems, test explanations by experiment
Define: Biology
Define: Biology
Study of living things
Ecology studies
Ecology studies
Organisms and their environment
Genetics studies
Genetics studies
Inheritance
Define: Observation
Define: Observation
Unbiased, accurate report of an event
Define: Hypothesis
Define: Hypothesis
Educated guess based on an observation
Define: Theory
Define: Theory
Hypothesis supported by experiments multiple times
Define: Principle/Law
Define: Principle/Law
Theory shown valid when fully tested over long period
Define: Control
Define: Control
Standard against which experiment is measured
Define: Placebo
Define: Placebo
Fake drug used in experiment to set up control
Purpose of replication
Purpose of replication
Shows results are reliable, not due to unknown factors
Define: Double blind testing
Define: Double blind testing
Neither tester nor subject knows who gets real treatment
Purpose of random selection
Purpose of random selection
Avoids specific sample types; reduces bias
Sample size importance
Sample size importance
Larger sample size = more accurate results
Year penicillin discovered
Year penicillin discovered
1928