The effect of light intensity on rate of photosynthesis in pondweed: evaluation
Quiz by Oak National Academy: GCSE Combined Science AQA Foundation
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6 questions
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- Q1What is the purpose of evaluating an experiment?to identify errors and suggest improvementsto repeat the experiment exactlyto compare it with other experimentsto confirm the results30s
- Q2What does precision in an experiment refer to?the spread of results around the mean valuethe closeness to the true valuethe consistency of results by the same groupthe consistency of results by different groups30s
- Q3How can you improve the accuracy of gas measurement in photosynthesis experiments?use a stopwatchuse a gas syringeuse a ruleruse a thermometer30s
- Q4What does reproducibility in an experiment mean?obtaining similar results by the same person or groupobtaining different results by different people or groupsobtaining similar results by different people using different equipmentobtaining different results by the same person or group30s
- Q5How can systematic errors be identified in an experiment?by changing the experimental methodby repeating the experiment multiple timesby ignoring outliersby comparing results to known standards or controls30s
- Q6How can you reduce random errors in your data collection?by taking multiple measurements and averaging themby ignoring inconsistent databy relying on a single measurementby using different equipment each time30s