These are physical, chemical or biological quantities or characteristics
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Card 7
Front
............ Variables have values that are labels. Eg names of plants types of material
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Card 8
Front
.......... Variable can have values (called a quantity) that can be given a magnitude either by counting( as in the case of the number of shrimp) or by measurement (eg light intensity, flow rate ECT)
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Card 9
Front
The ............. variable is the variable of which the value is measured for each and every change in the independent variable.
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Card 10
Front
The ........... variable is the variable for which values are changed or selected by the investigator
