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Nelson Thornes
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Disinfectant Concentration and Effectiveness
Produced by Nelson Thornes, this resource helps students look at aspects of how science works. In this activity students are given the results of an experiment to investigate the effectiveness of different concentrations of disinfectant and their effectiveness at killing bacteria. Students are asked to suggest a prediction, draw a table to display the results, draw a line graph and answer some other questions regarding the data.
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