Mod. 2 Lesson 8: Sheet 4
Variables Assessment
Name:
Suppose that you need to design another, very similar experiment, but
this time you want to investigate the effect of using different strengths
of hydrogen peroxide (maximum 10%) on the number of oxygen
bubbles produced.
Q1 What (variable) will you change? Can you suggest a range?
Variable to change =
Range to be used =
Q2 What (variable) will you measure?
Variable to measure =
Q3 Which of the above is the independent variable and which is the
dependent variable?
Independent variable =
Dependent variable =
Q4 What (variables) will you keep the same and at what levels?
The variables that I will keep the same and their levels are: