what is your independent variable?
the variable that is going to change
e. g
- length of a string
- size of potato
what is your control variable?
the variable that will not change
e. g
- the weight of a person
- volume of water
what is your dependent variable?
what you measure (depends on your independent variable)
e. g
- the change in mass of a potato
- the time it takes for something to happen