When working in Science with year 7s, it was evident that unless students understood the relationship between the X and Y axis and the representation of the Dependent and Independent variable in their projects, the data representation would make no sense.
I would teach them to speak aloud when thinking and to phrase their hypothesis as 'a' is dependent on 'b'
The two main variables in an experiment are the independent and dependent variable. An independent variable is a variable that is changed or controlled in a scientific experiment to test the effects on the dependent variable. … The dependent variable is 'dependent' on the independent variable.
The dependent variable is represented on the Y-axis and the Independent variable on the X-axis.
The second issue was helping them to generate the correct type of graph from their data.
Most students thought that if the graph looked nice, then it was acceptable! Interpreting their data for the Discussion in their reports helped them to see the practicalities of good graphing and understanding the variables#cserTask4
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