6 marks questions in tests require 5 points 1- dependent variable 2- repeated thing 3-controlled variables 4-independent variables 5- a range for example doing experiments at 20*c 30*c 40*c and 50*c try for a range of 5
6 marks questions in tests require 5 points 1- dependent variable 2- repeated thing 3-controlled variables 4-independent variables 5- a range for example doing experiments at 20*c 30*c 40*c and 50*c try for a range of 5
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