13. Assessed scientific skills
- Syllabus
- 0620–2026–2027
- Section
- 13
- Level
- —
Exam analysis
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In this section
Topic 13.1
13.1 Handling information and problem-solving
Objectives in this topic
13.1.1 Locate, select, organise and present information
- Locate, select, organise and present information from a variety of sources.
13.1.2 Translate information between forms
- Translate information between verbal, symbolic, graphical and numerical forms.
13.1.3 Manipulate numerical and other data
- Manipulate numerical and other data accurately.
13.1.4 Identify patterns, trends and conclusions
- Use information to identify patterns, report trends and form conclusions.
13.1.5 Explain phenomena and relationships
- Present reasoned explanations for phenomena, patterns and relationships.
13.1.6 Make evidence-based predictions
- Make predictions based on relationships and patterns.
13.1.7 Solve qualitative and quantitative problems
- Solve problems, including problems of a quantitative nature and unfamiliar applications of syllabus principles.
Topic 13.2
13.2 Experimental skills and investigations
Objectives in this topic
13.2.1 Select and safely use techniques and apparatus
- Demonstrate knowledge of how to select and safely use techniques, apparatus and materials, including following a sequence of instructions where appropriate.
13.2.2 Plan experiments and investigations
- Plan experiments and investigations with suitable variables, methods, apparatus and safety controls.
13.2.3 Record observations and measurements
- Make and record observations, measurements and estimates with appropriate precision and units.
13.2.4 Interpret and evaluate experimental data
- Interpret and evaluate experimental observations and data, including patterns, anomalies and limitations.
13.2.5 Evaluate and improve methods
- Evaluate experimental methods and suggest possible improvements.
Topic 13.3
13.3 Mathematical and data-presentation skills
Objectives in this topic
13.3.1 Numerical and algebraic calculations
- Use arithmetic, decimals, fractions, percentages, ratios, reciprocals and standard form; round only final answers and use decimal places and significant figures appropriately; use positive whole-number indices, consistent units, simple equations and direct or inverse proportion.
13.3.2 Geometry, measurement and unit conversion
- Use common geometrical terms, select suitable units and convert between units including cm³ and dm³, mg, g and kg, J and kJ, and Pa and kPa.
13.3.3 Graphs, charts and statistics
- Draw and interpret graphs and charts; interpolate and extrapolate; determine gradients and intercepts; select suitable scales and axes; recognise direct proportionality and calculate means.
13.3.4 Record readings and tabulated data
- Read instruments to half a smallest division where appropriate; record precision, units, repeated readings and significant figures correctly; use quantity/unit table headings and express ratios as x : y.
13.3.5 Plot and analyse chemical data
- Plot variables on labelled axes with sensible scales; mark points accurately; draw best-fit lines or curves while treating anomalies appropriately; read values, intercepts and gradients using suitably large triangles.
13.3.6 Extended graph gradients
- Determine the gradient of a curve by drawing a tangent.