Physics 2.1 AS91168 Carry out a practical physics investigation that leads to a non-linear mathematical relationship

Links to: NZQA information relevant to this standard.  

  • designing a procedure which is accurate, reliable and valid
  • handling data to find a trend, using graphs
  • conclusions and critical thinking

Graphing and relationships-Dr Simon Taylor (7:04)  In this video Simon draws the shapes of the graphs of the most important mathematical relationships and explains how non-linear relationships can be transformed and plotted as straight line graphs to confirm relationships.

suggestions for investigations
  • Barbie Racer -Dr Simon Taylor (6:31) In this video Simon goes through a simple “2.1” investigation in which Barbie’s car rolls down a ramp. He discusses ways to minimise uncertainties and control variables.