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Core practical techniques, safety and recording

Practical, maths and assessment skills · Lesson 1 of 5

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Lesson 1 of 5 · Practical, maths and assessment skills

Core practical techniques, safety and recording

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Select and use appropriate apparatus and techniques for preparing biological samples, making observations, measuring variables and recording results with suitable precision.
Explain how to work safely in biological practicals, including risk assessment, control of hazards, safe handling of microorganisms, chemicals and sharps, and correct disposal of biological material.

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Carry out serial dilution, solution preparation and use of standard laboratory equipment such as pipettes, syringes, colorimeters, balances, pH meters, water baths and respirometers.

Record observations and measurements in a clear, organised and repeatable form using tables with appropriate headings, units, significant figures and qualitative annotations.

Apply aseptic technique, control contamination and explain why reliability, validity and accuracy depend on consistent handling, calibration and suitable procedural controls.

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