Implementation and Collecting Data (HSC SSCE Physics): Flashcards
📚Flashcards
Practise the cards
10 cards from this deck
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Practise the cards
10 cards from this deck
Logbook in scientific investigations
Logbook in scientific investigations
Primary working document; complete record of everything you do
Independent variable
Independent variable
Variable you control and deliberately change
Dependent variable
Dependent variable
Variable you measure (depends on independent variable)
Controlled variables
Controlled variables
Variables kept constant to prevent interference with results
Min. data points for linear relationships
Min. data points for linear relationships
6-10 data points
Accuracy in measurements
Accuracy in measurements
How close measurement is to the true value
Precision in measurements
Precision in measurements
Variability/spread in measurements; smaller spread = higher
Three sources of uncertainty
Three sources of uncertainty
Limit of reading, device precision, measurand variation
Limit of reading (analogue devices)
Limit of reading (analogue devices)
Half the smallest division on the scale
Limit of reading (digital devices)
Limit of reading (digital devices)
One whole division (device may round up or down)