Identifying independent and dependent variables

#scientific method

Questions 5

Answers

1
How does changing the humidity in a sunny greenhouse affect orchid flowering? Independent?
amount of humidity
amount of water
amount of time
amount of flowering
2
You want to measure the effect of different amounts of oxygen on the rate of yeast growth. IV?
amount of oxygen
yeast growth
3
You wonder if studying with music helps your grades. DV?
music on or off
your grades
type of music
time you spend studying
4
Which variable is recorded on the x axis of a graph?
IV
DV
control
none of the above
5
Which would be a control variable for an experiment to test the effect of hours of sleep on test performance?
grade on test
test performance
temperature of room
hours spent sleeping

#scientific method

Answers

1
How does changing the humidity in a sunny greenhouse affect orchid flowering? Independent?
amount of humidity
amount of water
amount of time
amount of flowering
2
You want to measure the effect of different amounts of oxygen on the rate of yeast growth. IV?
amount of oxygen
yeast growth
3
You wonder if studying with music helps your grades. DV?
music on or off
your grades
type of music
time you spend studying
4
Which variable is recorded on the x axis of a graph?
IV
DV
control
none of the above
5
Which would be a control variable for an experiment to test the effect of hours of sleep on test performance?
grade on test
test performance
temperature of room
hours spent sleeping