S Skills in Physics
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S1.1 Experimental techniques
• Address safety, ethical and environmental issues.
• Measure required variables with suitable precision. • Variables include mass, time, length, volume, temperature, force, current, potential difference, angle, sound and light intensity.
S1.2 Technology
• Use sensors, databases, simulations and video/image analysis to collect data.
• Use spreadsheets, graphs and modelling to process data.
S1.3 Mathematics
• Use algebra, geometry, trigonometry, logs, rates, estimation and proportional reasoning. • Include equation manipulation and proportional reasoning.
• Draw, combine, scale and resolve vectors; interpret free-body diagrams.
• Use SI units, prefixes, symbols, significant figures and unit checks.
• Record and propagate absolute, fractional and percentage uncertainties to suitable precision.
• Construct, linearize and interpret graphs. • Include uncertainty bars, gradients, intercepts, maxima/minima and areas.
S2.1 Exploring and designing
S2.1.1Exploring
• Use sources to form research questions, hypotheses and predictions.
S2.1.2Designing investigations
• Design investigations and justify variables, ranges and methods. • Include independent, dependent and controlled variables.
S2.1.3Controlling variables
• Control variables using calibration, insulation, friction/resistance reduction and background corrections.
S2.2 Collecting and processing data
• Record sufficient qualitative observations and quantitative data.
• Process and interpret data, graphs, trends, relationships and outliers.
• Assess accuracy, precision, reliability and validity.
S2.3 Concluding and evaluating
• Justify conclusions and discuss scientific context and uncertainty impacts.
• Evaluate hypotheses, random/systematic errors, limitations and assumptions. • Suggest realistic improvements.