Variables

Question 1

what is a variable

Answer 1

a variable is a factor in an investigation that can be changed, measured or controlled

Question 2

the equipment you choose

Answer 2

should be guided by the variables in your investigation

Question 3

name the three types of variable

Answer 3

(1) an independent variable is a variable that you change
(2) a dependent variable is a variable that changes as a result of changing the independent variable
(3) controlled (fixed) variables are all the other variables that are kept the same.