Skills
Planning for Unit 3
Exam technique for planning an investigation: variables, apparatus, repeats, risk and error.
Exam technique
P1P2P3
Variables and a fair test (Unit 3)
Name the independent, dependent and controlled variables, and do not confuse a control variable with a control experiment.
Apparatus and the measurements you will take (Unit 3)
Choose the instrument, say how you will measure, and state how the data will be used.
Repeats, risk and sources of error (Unit 3)
Decide when repeats help, name a real control for a hazard, and separate uncertainty from systematic error.