practicals: knowledge Flashcards

1
Q

valid test=

A

independent variable is changed
dependent variable is measured

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2
Q

fair test=

A

independent variable is changed.

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3
Q

uncertainty= (formula)

A

resolution / 2

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4
Q

line graphs exam technique

A

CONTINUOUS DATA
- line of best fit can be plotted to show a pattern or trend or identify odd results
- can estimate results that were not investigated

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