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**Template for Question 1 Paper 5**
**Defining the problem:**
- Independant variable (what you will vary)
- Dependant variable (what you will measure)
- Constant variables (what must not be changed)
**Methods of data collection:**
- A clear diagram of the apparatus arrangement
- Describe how you will vary the independent variable and measure it
- Describe how you will measure the dependant variable for a single reading
(For the above two points mention the step by step procedure, the apparatus required for each step)
- How to measure or calculate any other required constant
- Describe how other variables are to be kept constant
**Additional details:**
- Safety precautions and why they must be taken
- Steps to minimise the uncertainties and errors
- Go into the detail of measuring a particular variable
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- Range of sensible values for independent variable
**Methods of data analysis:**
- What must be plotted on y-axis and x-axis to obtain a straight line graph
- How will you check if the given relation is valid
- How will you use the gradient or the y-intercept to determine the value of required constants
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