The Scientific Method (Grade 12 NSC Matric Physical Sciences): Flashcards
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Scientific method
Scientific method
Systematic approach used by scientists to investigate questions
Scientific theory
Scientific theory
Well-established explanation tested & supported by evidence
Independent variable
Independent variable
Factor you deliberately change or manipulate in an experiment
Dependent variable
Dependent variable
What you measure or observe in response to changes
Controlled variables
Controlled variables
Factors kept constant throughout experiment for fair testing
Hypothesis
Hypothesis
Specific, testable prediction about relationship between variables
Reading graduated cylinder correctly
Reading graduated cylinder correctly
Read at bottom of meniscus (curved surface of liquid)
Temperature scale for scientific work
Temperature scale for scientific work
Celsius scale
Before using digital scale for mass
Before using digital scale for mass
Zero the balance
Data vs theory principle
Data vs theory principle
Data should never be forced to fit a theory