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Aim:

IV ~ DV ~

Method + Reducing error/improvements + EQUIPMENT

Use a range of different [independent variable]

Repeat, calculate mean, ignore anomalies

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Control variables

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Risks/Safety

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Explanation

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Question types for practicals:

• Identify variables: independent, dependent, and control variables
• Describe a method for a required practical (include 3 control variables)
• Explain strengths of each step in the method
• Explain sources of random / systematic error + improvements
• Risk assessments
• Explain trends using scientific theory

DATA ANALYSIS

• Calculate means or rates from results
• Plot or interpret graphs
• Identify anomalies in data