What is a dependent is independent variable ?
The dependent variable is the factor that is being measured and observed .
The independent variable is the factor that is changed or manipulated by the scientists, which effects the result.
What is the controlled/ fixed variable?
The variable that remains constant usually time and type.
Numerical results are called quantitative and non Numerical are called qualitative
In a table the independent should be on the left side .
The dependent should always be on the right while the fixed is in the middle
How do you make an investigation reliable? 1.
By increasing the sample or the product being tested.
By repeating the experiment to make it more accurate.
What is the fomular for actual size using magnification?
AC = length of diagram/ magnification
What is the fomular for actual size using scale line?
Ac= length of diagram (mm)× length scale line (given units)/ length of scale in (mm)
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