experiment 1.1: conduct qualititative tests for food

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Last updated 2:22 PM on 10/11/26
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12 Terms

1
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substrate

is the substance on which an enzymes acts

2
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control

is an experiment or sample used for comparison to show the results are due to factors being tested

3
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independent variable

is the factor that is deliberately being changed in the experiment

4
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dependent variable

is the factor that is measured or observed during an experiment due to change in independent variable

5
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substrate/chemical used

the substance or chemical added to an experiment to test a reaction or investigate a result

6
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procedure

step by step method used to carry out an experiment

7
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diagram

a lablled drawing showing the equipment, materials or set up of an experiment

8
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results/colour change

the observations or measurements recorded in an experiment including any changes in colour

9
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no colour change

remains ‘original colour’

10
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colour change

mention colour before and the colour after

11
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constant

the factor that is kept the same during an experiment to ensure a fair test

12
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safety procaution

wear safety goggles and lab coat