Identifying IV & DV

Experiment: Does the flavor of ice cream effect how fast the ice cream melts?
The flavor of ice cream is the ___________ variable.

• independent
• dependent

Experiment: Does changing the wing shape to make it more narrow affect the distance a paper airplane will fly?

The wing shape is the ___________  variable.

• independent
• dependent

Tags

NGSS.MS-PS2-2

Experiment: How does watching TV during studying affect a student’s test grades?

The students grades are the ___________ variable.

• independent
• dependent

Experiment: Do roses grow more in height in partial or direct sunlight?
The growth height is the ____________  variable.

• independent
• dependent

Tags

NGSS.MS-LS1-5

Experiment: How does adding cardio to one’s daily schedule affect their heart rate?
The heart rate is the ________________  variable.

• independent
• dependent

Butter bean seeds were placed in dishes lined with moist paper towel for 5 days at different temperatures & germination was measured.  Which of the following is the independent variable?

• Number of seeds
• Time
• Temperature
• Type of seed

Does the temperature of water affect the time it takes a sugar cube to dissolve? What is the IV (independent variable) in this experiment?

• IV: Type of water
  DV: Dissolving rate
• IV: Temperature of water
  DV: type of sugar cube
• IV: Temperature of Water
  DV: Dissolving Rate
• IV: Time
  DV: Number of sugar

Tags

NGSS.MS-PS3-4

NGSS.MS-PS1-4

The dependent variable is the one

• you measure.
• you change.

Tags

NGSS.MS-PS3-4

NGSS.MS-PS1-2

The independent variable is the

• one you measure.
• one you change.

You can have more than one independent variable in a controlled experiment.

• True
• False