Data and Data Analysis (Grade 12 NSC Matric Physical Sciences): Flashcards
📚Flashcards
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Practise the cards
10 cards from this deck
Golden rule of scientific graphing
Golden rule of scientific graphing
Never connect dots; draw best fit lines instead
Independent variable axis placement
Independent variable axis placement
x-axis
Dependent variable axis placement
Dependent variable axis placement
y-axis
Qualitative analysis definition
Qualitative analysis definition
Examines quality/characteristics of substance or phenomenon
Quantitative analysis definition
Quantitative analysis definition
Works with numerical data and statistical methods
Validity definition
Validity definition
Whether experiment tests what you intended to measure
Reliability definition
Reliability definition
Whether results are consistent if experiment repeated
Best method to ensure reliability
Best method to ensure reliability
Repeat experiments and calculate averages from trials
Why units are essential in science
Why units are essential in science
Give meaning to values; measurements meaningless without them
Scientific models purpose
Scientific models purpose
Testable ideas describing systems too large to test directly