practice with identifying variables
Identify the independent variable: Does ramp height affect speed?
Identify the dependent variable: Does ramp height affect speed?
Identify the controlled variables: Does ramp height affect speed?
Identify the independent variable: Does the type of soil have an effect on a plant's height?
Identify the dependent variable: Does the type of soil have an effect on a plant's height?
Identify the controlled variables: Does the type of soil have an effect on a plant's height?
Which variable is the one that is measured?
Which varible is the one that is changed on purpose?
What type of variable needs to stay the same ?
What is your favorite kind of pop (soda)?